Restructure modules/shared and update all imports

- Delete 2024-12-rework/ folder
- Rename modules/hosts/common to modules/shared, then split into:
  - modules/shared/home/general
  - modules/shared/home/linux
  - modules/shared/nixos
- Update all import paths throughout the codebase
- Update lib/*.nix to use new paths
- Fix hardcoded /Users/${username} to use config.home.homeDirectory
- Update README and examples/flake-structure.nix

modules/shared/files/nvim/lua/disabled/barbar.lua

@@ -0,0 +1,14 @@
+return {'romgrk/barbar.nvim',
+  dependencies = {
+    'lewis6991/gitsigns.nvim', -- OPTIONAL: for git status
+    'nvim-tree/nvim-web-devicons', -- OPTIONAL: for file icons
+  },
+  init = function() vim.g.barbar_auto_setup = false end,
+  opts = {
+    -- lazy.nvim will automatically call setup for you. put your options here, anything missing will use the default:
+    -- animation = true,
+    -- insert_at_start = true,
+    -- …etc.
+  },
+}
+

modules/shared/files/nvim/lua/disabled/cheatsheet.lua

@@ -0,0 +1,9 @@
+return {
+  "sudormrfbin/cheatsheet.nvim",
+  dependencies = {
+    'nvim-telescope/telescope.nvim',
+    'nvim-lua/popup.nvim',
+    'nvim-lua/plenary.nvim',
+  },
+  config = true,
+}

modules/shared/files/nvim/lua/disabled/nvim-tree.lua

@@ -0,0 +1,11 @@
+return{
+  "nvim-tree/nvim-tree.lua",
+  config = function ()
+    vim.g.loaded_netrw = 1
+    vim.g.loaded_netrwPlugin = 1
+
+    require('nvim-tree').setup()
+
+    vim.keymap.set('n', '<c-n>', ':NvimTreeFindFileToggle<CR>')
+  end
+}

modules/shared/files/nvim/lua/disabled/themes/dracula.lua

@@ -0,0 +1,8 @@
+return {
+  "Mofiqul/dracula.nvim",
+  lazy = false,
+  priority = 1000,
+  config = function()
+    vim.cmd.colorscheme("dracula")
+  end,
+}

modules/shared/files/nvim/lua/disabled/themes/gruvbox.lua

@@ -0,0 +1,11 @@
+return  {
+  "ellisonleao/gruvbox.nvim",
+  priority = 1000 ,
+  config = function ()
+    require("gruvbox").setup()
+
+    vim.o.background = "dark"
+    vim.o.termguicolors = true
+    vim.cmd.colorscheme "gruvbox"
+  end
+}

modules/shared/files/nvim/lua/disabled/themes/kanagawa.lua

@@ -0,0 +1,8 @@
+return {
+  "rebelot/kanagawa.nvim",
+  lazy = false,
+  priority = 1000,
+  config = function()
+    vim.cmd.colorscheme "kanagawa"
+  end,
+}

modules/shared/files/nvim/lua/disabled/themes/oxocarbon.lua

@@ -0,0 +1,8 @@
+return {
+  "nyoom-engineering/oxocarbon.nvim",
+  config = function ()
+    vim.o.background = "dark"
+    vim.o.termguicolors = true
+    vim.cmd.colorscheme "oxocarbon"
+  end
+}

modules/shared/files/nvim/lua/disabled/themes/tokyonight.lua

@@ -0,0 +1,10 @@
+return {
+  -- the colorscheme should be available when starting Neovim
+  "folke/tokyonight.nvim",
+  lazy = false, -- make sure we load this during startup if it is your main colorscheme
+  priority = 1000, -- make sure to load this before all the other start plugins
+  config = function()
+    -- load the colorscheme here
+    vim.cmd.colorscheme "tokyonight-storm"
+  end,
+}