diff --git a/nix/common.nix b/nix/common.nix
index 8822d8b..9e3ea19 100644
--- a/nix/common.nix
+++ b/nix/common.nix
@@ -13,7 +13,8 @@
     nil
     # neovim
 
-    (pkgs.nerdfonts.override { fonts = [ "FiraCode" ]; })
+    # (pkgs.nerdfonts.override { fonts = [ "FiraCode" ]; })
+    pkgs.nerd-fonts.fira-code
 
     # (pkgs.writeShellScriptBin "my-hello" ''
     #   echo "Hello, ${config.home.username}!"
@@ -48,7 +49,8 @@
   #  EDITOR = "nvim";
   #};
 
-  # home.shellAliases = {
+  #home.shellAliases = {
+    # "ll" = "ls -la";
   #   "t" = "tmuxp";
   #   "tl" = "tmuxp load";
   # };
diff --git a/nix/flake.lock b/nix/flake.lock
index ea40871..ec87c03 100644
--- a/nix/flake.lock
+++ b/nix/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1732482255,
-        "narHash": "sha256-GUffLwzawz5WRVfWaWCg78n/HrBJrOG7QadFY6rtV8A=",
+        "lastModified": 1740579671,
+        "narHash": "sha256-Dwt/3KknOQ4bgFG5YjqDT7oWRy27rPpDjAi2P0ok1zw=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "a9953635d7f34e7358d5189751110f87e3ac17da",
+        "rev": "53c587d263f94aaf6a281745923c76bbec62bcf3",
         "type": "github"
       },
       "original": {
@@ -20,13 +20,33 @@
         "type": "github"
       }
     },
+    "nix-darwin": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1740452771,
+        "narHash": "sha256-/tI1vFJ7/dXJqUmI+s0EV1F0DPe6dZvT444mrLUkrlU=",
+        "owner": "LnL7",
+        "repo": "nix-darwin",
+        "rev": "42be12b510253d750138ec90c66decc282298b44",
+        "type": "github"
+      },
+      "original": {
+        "owner": "LnL7",
+        "repo": "nix-darwin",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1732014248,
-        "narHash": "sha256-y/MEyuJ5oBWrWAic/14LaIr/u5E0wRVzyYsouYY3W6w=",
+        "lastModified": 1740367490,
+        "narHash": "sha256-WGaHVAjcrv+Cun7zPlI41SerRtfknGQap281+AakSAw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "23e89b7da85c3640bbc2173fe04f4bd114342367",
+        "rev": "0196c0175e9191c474c26ab5548db27ef5d34b05",
         "type": "github"
       },
       "original": {
@@ -39,6 +59,7 @@
     "root": {
       "inputs": {
         "home-manager": "home-manager",
+        "nix-darwin": "nix-darwin",
         "nixpkgs": "nixpkgs"
       }
     }
diff --git a/nix/flake.nix b/nix/flake.nix
index ff9a481..36043f9 100644
--- a/nix/flake.nix
+++ b/nix/flake.nix
@@ -3,18 +3,54 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    nix-darwin.url = "github:LnL7/nix-darwin";
+    nix-darwin.inputs.nixpkgs.follows = "nixpkgs";
     home-manager = {
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
 
-  outputs = { nixpkgs, home-manager, ... }:
+  outputs = { self, nix-darwin, nixpkgs, home-manager, ... }:
     let
       #system = "x86_64-darwin";
       system = "x86_64-linux";
       pkgs = nixpkgs.legacyPackages.${system};
+
+      configuration = { pkgs, ... }: {
+        environment.systemPackages =
+          [
+            pkgs.vim
+          ];
+
+        # Auto upgrade nix package and the daemon service.
+        services.nix-daemon.enable = true;
+        # nix.package = pkgs.nix;
+
+        nix.settings.experimental-features = "nix-command flakes";
+
+        programs.zsh.enable = true;  # default shell on catalina
+
+        # Set Git commit hash for darwin-version.
+        system.configurationRevision = self.rev or self.dirtyRev or null;
+
+        # Used for backwards compatibility, please read the changelog before changing.
+        # $ darwin-rebuild changelog
+        system.stateVersion = 4;
+
+        # The platform the configuration will be used on.
+        nixpkgs.hostPlatform = system;
+      };
     in {
+      # Build darwin flake using:
+      # $ darwin-rebuild build --flake .#Martins-MacBook-Pro
+      darwinConfigurations."Martins-MacBook-Pro" = nix-darwin.lib.darwinSystem {
+        modules = [ configuration ];
+      };
+
+      # Expose the package set, including overlays, for convenience.
+      darwinPackages = self.darwinConfigurations."Martins-MacBook-Pro".pkgs;
+
       homeConfigurations = { 
         "moustachioed" = home-manager.lib.homeManagerConfiguration {
           inherit pkgs;
@@ -22,9 +58,20 @@
           modules = [ 
             ./user/profiles/moustachioedBook.nix
             ./common.nix
-            ./user/task.nix
+            ./user/task_home.nix
           ];
         };
+
+        "martin" = home-manager.lib.homeManagerConfiguration {
+          inherit pkgs;
+
+          modules = [ 
+            ./user/profiles/martin.nix
+            ./common.nix
+            ./user/task_home.nix
+          ];
+        };
+
         "pan" = home-manager.lib.homeManagerConfiguration {
           inherit pkgs;
 
diff --git a/nix/user/git.nix b/nix/user/git.nix
index 9b74d3f..1050e94 100644
--- a/nix/user/git.nix
+++ b/nix/user/git.nix
@@ -20,10 +20,39 @@
     difftastic.enable = true;
 
     extraConfig = {
-      core = {
-        editor = "nvim";
+      column.ui = "auto";
+      branch.sort = "-committerdate";
+      tag.sort = "version:refname";
+      diff = {
+        algorithm = "histogram";
+        colorMoved = "plain";
+        mnemonicPrefix = "true";
+        renames = "true";
       };
-      push.default = "matching";
+      pull.rebase = "true";
+      push = {
+        default = "simple";
+        autoSetupRemote = "true";
+        followTags = "true";
+      };
+      fetch = {
+        prune = "true";
+        pruneTags = "true";
+        all = "true";
+      };
+      help.autocorrect = "prompt";
+      commit.verbose = "true";
+      rerere = {
+        enabled = "true";
+        autoupdate = "true";
+      };
+      rebase = {
+        autoSquas = "true";
+        autoStash = "true";
+        updateRefs = "true";
+      };
+      merge.conflictstyle = "zdiff3";
+      core.editor = "nvim";
       init.defaultBranch = "main";
       merge.conflicstyle = "zdiff3";
       fetch.prune = true;
diff --git a/nix/user/nvim.nix b/nix/user/nvim.nix
index 004eab6..98b874b 100644
--- a/nix/user/nvim.nix
+++ b/nix/user/nvim.nix
@@ -8,12 +8,14 @@
     vimAlias = true;
 
     plugins = with pkgs.vimPlugins; [
+      aerial-nvim
+      zen-mode-nvim
       vim-commentary
       vim-repeat
       vim-surround
       targets-vim
       delimitMate
-      vim-startify
+      # vim-startify
       vim-windowswap
       vim-nix
       plenary-nvim
@@ -29,12 +31,17 @@
       cmp-path
       cmp-cmdline
       cmp-nvim-lsp
+      cmp-nvim-lsp-signature-help
       cmp_yanky
       cmp-git
       nvim-lspconfig
       lspkind-nvim
       copilot-lua
       copilot-cmp
+      image-nvim
+      img-clip-nvim
+      markdown-preview-nvim
+      vim-markdown
       (nvim-treesitter.withPlugins (p: [ p.awk p.bash p.c p.c_sharp p.cpp p.css p.diff p.dockerfile p.doxygen p.git_config p.gitcommit p.go p.gomod p.gosum p.gotmpl p.helm p.haskell p.html p.http p.java p.javascript p.json p.latex p.lua p.markdown p.markdown_inline p.matlab p.nix p.printf p.python p.regex p.rust p.sql p.strace p.supercollider p.svelte p.swift p.terraform p.tmux p.toml p.typescript p.vim p.xml p.yaml p.zig ]))
     ];
 
@@ -51,6 +58,7 @@
 
   home.packages = with pkgs; [
     nodejs-slim
+    marksman
   ];
 }
 
diff --git a/nix/user/profiles/martin.nix b/nix/user/profiles/martin.nix
new file mode 100644
index 0000000..4f9fc00
--- /dev/null
+++ b/nix/user/profiles/martin.nix
@@ -0,0 +1,13 @@
+{ config, pkgs, ... }:
+
+{
+  home.username = "martin";
+  home.homeDirectory = "/Users/martin";
+
+  home.stateVersion = "24.05"; # Please read the comment before changing.
+
+  programs.git = {
+    userName = "Martin";
+    userEmail = "git@pander-on.de";
+  };
+}
diff --git a/nix/user/sh.nix b/nix/user/sh.nix
index 9979284..a90152a 100644
--- a/nix/user/sh.nix
+++ b/nix/user/sh.nix
@@ -79,7 +79,7 @@
     du-dust
     glow
     ripgrep-all
-    #nerdfonts
+    llm
   ];
 
   home.sessionVariables = lib.mkMerge [ {
diff --git a/nix/user/task.nix b/nix/user/task.nix
index ec5ceb1..ab0e89d 100644
--- a/nix/user/task.nix
+++ b/nix/user/task.nix
@@ -39,6 +39,15 @@
       report.low.labels="ID,Active,Age,Deps,P,E,Project,Tag,Recur,S,Due,Until,Description,Urg";
       report.low.sort="energy+,urgency-";
 
+      context.today.read = "-deferred and (prio:H or +next)";
+      context.today.write = "prio:H or +next";
+      context.deferred.read = "+deferred";
+      context.deferred.write = "+deferred";
+      context.customer.read = "+cust";
+      context.customer.write = "+cust";
+      context.low_energy.read = "+low";
+      context.low_energy.write = "+low";
+
       uda.taskwarrior-tui.task-report.show-info = false;
       uda.taskwarrior-tui.selection.reverse = "yes";
     };
diff --git a/nix/user/task_home.nix b/nix/user/task_home.nix
new file mode 100644
index 0000000..d0e47b3
--- /dev/null
+++ b/nix/user/task_home.nix
@@ -0,0 +1,37 @@
+{config, pkgs, lib, ...}:
+
+{
+  programs.taskwarrior = {
+    enable = true;
+    colorTheme = "light-256";
+    package = pkgs.taskwarrior3;
+    config = {
+      weekstart = "monday";
+
+      uda.priority.values = "H,M,,L";
+      urgency.uda.priority.L.coefficient = -0.5;
+      urgency.user.tag.deferred.coefficient = -15.0;
+      urgency.user.tag.cust.coefficient = 5.0;
+
+      context.today.read = "-deferred and (prio:H or +next)";
+      context.today.write = "prio:H or +next";
+      context.deferred.read = "+deferred";
+      context.deferred.write = "+deferred";
+      context.low_energy.read = "+low";
+      context.low_energy.write = "+low";
+
+      uda.taskwarrior-tui.task-report.show-info = false;
+      uda.taskwarrior-tui.selection.reverse = "yes";
+    };
+  };
+
+  home.packages = with pkgs; [
+    taskwarrior-tui
+  ];
+
+  home.shellAliases = lib.mkMerge [ {
+      t = "task";
+      tt = "taskwarrior-tui";
+    }
+  ];
+}
diff --git a/nvim/writing-init.lua b/nvim/writing-init.lua
new file mode 100644
index 0000000..d13c0f2
--- /dev/null
+++ b/nvim/writing-init.lua
@@ -0,0 +1,338 @@
+-------------------------
+-------- OPTIONS --------
+-------------------------
+vim.opt.mouse = 'a'
+vim.opt.history = 1000
+-- vim.opt.ruler = true
+-- vim.opt.ruler = true
+-- vim.opt.number = true
+vim.opt.showcmd = true
+vim.opt.ttimeoutlen = 100
+vim.opt.backspace = 'indent,eol,start'
+vim.opt.tabstop = 2
+vim.opt.expandtab = true
+vim.opt.shiftwidth = 2
+vim.opt.softtabstop = 2
+vim.opt.autoindent = true
+vim.opt.showmatch = true
+vim.opt.incsearch = true
+vim.opt.hlsearch = true
+vim.opt.wrapscan = true
+vim.opt.ignorecase = true
+vim.opt.smartcase = true
+vim.opt.hidden = true
+vim.opt.splitright = true
+vim.opt.splitbelow = true
+vim.opt.swapfile = false
+vim.opt.wildmode = 'longest,list'
+vim.opt.wildignore = vim.opt.wildignore + 'main,*.o,*.d,*.aux,*.bbl,*.lof,*.loa,*.blg,*.fdb_latexmk,*.fls,*.tdo,*.pdf,*.pyc'
+vim.opt.spell = false
+vim.opt.foldmethod = 'syntax'
+vim.opt.foldopen = vim.opt.foldopen - 'block'
+vim.opt.foldlevel = 99
+vim.opt.lazyredraw = true
+vim.opt.listchars = 'eol:¬,tab:▸ ,trail:·'
+vim.opt.fillchars = 'vert:|,fold: '
+vim.opt.list = true
+vim.opt.laststatus = 2
+vim.opt.scrolloff = 8
+vim.opt.background = 'light'
+vim.opt.wrap = true
+vim.opt.showbreak = '..'
+vim.opt.errorbells = false
+vim.opt.visualbell = false
+vim.opt.title = true
+vim.opt.autoread = true
+vim.opt.syntax = 'on'
+vim.opt.encoding = 'utf-8'
+vim.opt.completeopt = 'menu,menuone,noselect'
+
+
+----------------------------
+-------- CLIPBOARD ---------
+----------------------------
+-- if vim.fn.has("wsl") == 1 then
+vim.opt.clipboard:append('unnamedplus')
+-- end
+
+
+----------------------------
+-------- COMMANDS ----------
+----------------------------
+
+vim.cmd('filetype plugin indent on')
+
+-- vim.cmd('colorscheme lucius')
+-- vim.cmd('LuciusWhite')
+
+
+------------------------------
+---------- AUTOGROUPS --------
+------------------------------
+
+vim.api.nvim_create_augroup('VimIntern', { clear = true })
+
+vim.api.nvim_create_autocmd({'FocusGained', 'BufEnter', 'CursorMoved', 'CursorMovedI', 'CursorHold', 'CursorHoldI'}, {
+   group = 'VimIntern',
+   pattern = '*',
+   command = 'silent! checktime'
+})
+
+vim.api.nvim_create_autocmd('BufEnter', {
+   group = 'VimIntern',
+   pattern = '*',
+   command = 'silent! lcd %:p:h'
+})
+
+
+-----------------------------
+---------- FUNCTIONS --------
+-----------------------------
+
+vim.api.nvim_create_user_command('TrimWhiteSpace', function()
+   vim.cmd('%s/\\s\\+$//e')
+end, {})
+vim.g.mapleader = " "
+
+-- Navigation
+vim.keymap.set('n', 'j', 'gj', {})
+vim.keymap.set('n', 'k', 'gk', {})
+vim.keymap.set('v', 'j', 'gj', {})
+vim.keymap.set('v', 'k', 'gk', {})
+
+vim.keymap.set('n', '<C-h>', '<C-w>h', {})
+vim.keymap.set('n', '<C-j>', '<C-w>j', {})
+vim.keymap.set('n', '<C-k>', '<C-w>k', {})
+vim.keymap.set('n', '<C-l>', '<C-w>l', {})
+
+vim.keymap.set('n', '<leader>s', ':call WindowSwap#EasyWindowSwap()<CR>', {})
+
+-- Convenience
+vim.keymap.set('n', '<leader>w', ':w<CR>', { silent = true })
+vim.keymap.set('n', '<leader>F', ':e.<CR>', {})
+vim.keymap.set('n', 'Y', 'y$', {})
+
+-- Telescope
+local telebuiltin = require('telescope.builtin')
+vim.keymap.set('n', '<leader>ff', telebuiltin.find_files, { silent = true })
+vim.keymap.set('n', '<leader>fg', telebuiltin.live_grep, { silent = true })
+vim.keymap.set('n', '<leader>fs', telebuiltin.grep_string, { silent = true })
+vim.keymap.set('n', '<leader>o', telebuiltin.buffers, { silent = true })
+vim.keymap.set('n', '<leader>fh', telebuiltin.help_tags, { silent = true })
+
+---- Yanky
+--vim.keymap.set({"n","x"}, "p", "<Plug>(YankyPutAfter)")
+--vim.keymap.set({"n","x"}, "P", "<Plug>(YankyPutBefore)")
+--vim.keymap.set({"n","x"}, "gp", "<Plug>(YankyGPutAfter)")
+--vim.keymap.set({"n","x"}, "gP", "<Plug>(YankyGPutBefore)")
+--vim.keymap.set("n", "<c-n>", "<Plug>(YankyCycleForward)")
+--vim.keymap.set("n", "<c-p>", "<Plug>(YankyCycleBackward)")
+--vim.keymap.set({"n","x"}, "y", "<Plug>(YankyYank)")
+
+-- Undotree
+vim.keymap.set('n', '<leader>u', vim.cmd.UndotreeToggle)
+
+---- nnoremap <silent> <leader>t :CtrlPBufTagAll<CR>
+---- nnoremap <silent> <leader>T :TagbarToggle<CR>
+vim.g.delimitMate_expand_space=1
+vim.g.delimitMate_expand_cr = 1
+
+vim.g.tagbar_left=1
+vim.g.tagbar_autoclose=1
+vim.g.tagbar_autofocus=1
+
+--vim.g.windowswap_map_keys=0
+
+local cmp = require('cmp')
+local lspkind = require('lspkind')
+
+--cmp.setup({
+--  snippet = {
+--    expand = function(args)
+--      vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
+--    end,
+--  },
+
+--  window = {
+--    completion = cmp.config.window.bordered(),
+--    documentation = cmp.config.window.bordered(),
+--  },
+
+--  mapping = cmp.mapping.preset.insert({
+--    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+--    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+--    ['<C-Space>'] = cmp.mapping.complete(),
+--    ['<C-e>'] = cmp.mapping.abort(),
+--    ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+--  }),
+
+--  sources = cmp.config.sources({
+--    { name = 'nvim_lsp' },
+--    { name = 'vsnip' },
+--    { name = 'path' },
+--    { name = 'cmp_yanky' },
+--    { name = 'git' },
+--    { name = 'copilot' },
+--  -- }, {
+--    { name = 'buffer', keyword_length = 2 },
+--  }),
+
+--  formatting = {
+--    format = lspkind.cmp_format({
+--      -- mode = "symbol_text",
+--      mode = "symbol",
+--      menu = ({
+--        buffer = "[buf]",
+--        nvim_lsp = "[lsp]",
+--        vsnip = "[snip]",
+--        nvim_lua = "[lua]",
+--        latex_symbols = "[tex]",
+--        path = "[path]",
+--        cmp_yanky = "[yank]",
+--        copilot = "[copilot]",
+--      }),
+--      symbol_map = { Copilot = "" }
+--    }),
+--  },
+--})
+
+---- -- Set configuration for specific filetype.
+---- cmp.setup.filetype('gitcommit', {
+----   sources = cmp.config.sources({
+----     { name = 'git' }, -- You can specify the `git` source if [you were installed it](https://github.com/petertriho/cmp-git).
+----   }, {
+----     { name = 'buffer' },
+----   })
+---- })
+
+--cmp.setup.cmdline({ '/', '?' }, {
+--  mapping = cmp.mapping.preset.cmdline(),
+--  sources = {
+--    { name = 'buffer' }
+--  }
+--})
+
+--cmp.setup.cmdline(':', {
+--  mapping = cmp.mapping.preset.cmdline(),
+--  sources = cmp.config.sources({
+--    { name = 'path' }
+--  }, {
+--    { name = 'cmdline' }
+--  }),
+--  matching = { disallow_symbol_nonprefix_matching = false }
+--})
+
+--local capabilities = require('cmp_nvim_lsp').default_capabilities()
+local lspconfig = require("lspconfig")
+--lspconfig.gopls.setup({ capabilities = capabilities })
+--lspconfig.svelte.setup({ capabilities = capabilities })
+--lspconfig.pyright.setup({ capabilities = capabilities })
+--lspconfig.omnisharp.setup({ capabilities = capabilities })
+--lspconfig.clangd.setup({ capabilities = capabilities })
+--lspconfig.dockerls.setup({ capabilities = capabilities })
+--lspconfig.docker_compose_language_service.setup({ capabilities = capabilities })
+--lspconfig.flow.setup({ capabilities = capabilities })
+lspconfig.marksman.setup({ capabilities = capabilities })
+--lspconfig.als.setup({ capabilities = capabilities })
+--lspconfig.sqls.setup({ capabilities = capabilities })
+--lspconfig.yamlls.setup({ capabilities = capabilities })
+--lspconfig.nil_ls.setup({ capabilities = capabilities })
+
+require("yanky").setup({
+  ring = {
+    history_length = 100,
+    storage = "shada",
+    sync_with_numbered_registers = true,
+    cancel_event = "update",
+  },
+  system_clipboard = {
+    sync_with_ring = true,
+  },
+  preserve_cursor_position = {
+    enabled = true,
+  },
+})
+
+require("telescope").load_extension("yank_history")
+
+require'nvim-treesitter.configs'.setup {
+  -- ensure_installed = { "lua", "vim", "help" },
+  ensure_installed = {},
+  sync_install = false,
+  auto_install = false,
+
+
+  highlight = {
+    enable = true,
+
+    disable = function(lang, buf)
+        local max_filesize = 100 * 1024 -- 100 KB
+        local ok, stats = pcall(vim.loop.fs_stat, vim.api.nvim_buf_get_name(buf))
+        if ok and stats and stats.size > max_filesize then
+            return true
+        end
+    end,
+
+    additional_vim_regex_highlighting = false,
+  },
+}
+
+require('lualine').setup({
+  options = {
+    icons_enabled = true,
+    theme = 'Tomorrow',
+    component_separators = { left = '', right = ''},
+    section_separators = { left = '', right = ''},
+    disabled_filetypes = {
+      statusline = {},
+      winbar = {},
+    },
+    ignore_focus = {},
+    always_divide_middle = true,
+    globalstatus = false,
+    refresh = {
+      statusline = 1000,
+      tabline = 1000,
+      winbar = 1000,
+    }
+  },
+  sections = {
+    lualine_a = {'mode'},
+    lualine_b = {'branch', 'diff', 'diagnostics'},
+    lualine_c = {'filename'},
+    lualine_x = {'encoding', 'fileformat', 'filetype'},
+    lualine_y = {'progress'},
+    lualine_z = {'location'}
+  },
+  inactive_sections = {
+    lualine_a = {},
+    lualine_b = {},
+    lualine_c = {'filename'},
+    lualine_x = {'location'},
+    lualine_y = {},
+    lualine_z = {}
+  },
+  tabline = {},
+  winbar = {},
+  inactive_winbar = {},
+  extensions = {}
+})
+
+
+--require("copilot").setup({
+--  suggestion = { enabled = false },
+--  panel = { enabled = false },
+--})
+--require("copilot_cmp").setup()
+
+require("aerial").setup({
+  -- optionally use on_attach to set keymaps when aerial has attached to a buffer
+  on_attach = function(bufnr)
+    -- Jump forwards/backwards with '{' and '}'
+    vim.keymap.set("n", "{", "<cmd>AerialPrev<CR>", { buffer = bufnr })
+    vim.keymap.set("n", "}", "<cmd>AerialNext<CR>", { buffer = bufnr })
+  end,
+})
+-- You probably also want to set a keymap to toggle aerial
+vim.keymap.set("n", "<leader>a", "<cmd>AerialToggle!<CR>")
+