feat(neovim): add some plugins!

programs/neovim/default.nix

@@ -1,10 +1,19 @@
 {pkgs, ...}: {
-  environment.systemPackages = with pkgs; [
-    (lua5_1.withPackages (ps: with ps; [luarocks]))
-  ];
-
   hm.programs.neovim = {
     enable = true;
     extraLuaConfig = builtins.readFile ./init.lua;
+
+    extraPackages = with pkgs; [
+      (lua5_1.withPackages (ps: with ps; [luarocks]))
+      tree-sitter
+    ];
+
+    plugins = with pkgs.vimPlugins; [
+      barbar-nvim
+      catppuccin-nvim
+      lualine-nvim
+      nvim-treesitter.withAllGrammars
+      nvim-web-devicons # for lualine
+    ];
   };
 }

programs/neovim/init.lua

@@ -38,7 +38,7 @@ vim.opt.cursorline = true
 
 -- sync os clipboard and neovim
 vim.schedule(function()
-  vim.opt.clipboard = 'unnamedplus'
+	vim.opt.clipboard = 'unnamedplus'
 end)
 
 
@@ -48,10 +48,10 @@ vim.keymap.set('n', '<Esc>', '<cmd>nohlsearch<CR>')
 
 
 -- disable arrow keys in normal mode
-vim.keymap.set('n', '<left>', '<cmd>echo "Use h to move!!"<CR>')
-vim.keymap.set('n', '<right>', '<cmd>echo "Use l to move!!"<CR>')
-vim.keymap.set('n', '<up>', '<cmd>echo "Use k to move!!"<CR>')
-vim.keymap.set('n', '<down>', '<cmd>echo "Use j to move!!"<CR>')
+-- vim.keymap.set('n', '<left>', '<cmd>echo "Use h to move!!"<CR>')
+-- vim.keymap.set('n', '<right>', '<cmd>echo "Use l to move!!"<CR>')
+-- vim.keymap.set('n', '<up>', '<cmd>echo "Use k to move!!"<CR>')
+-- vim.keymap.set('n', '<down>', '<cmd>echo "Use j to move!!"<CR>')
 
 -- Keybinds to make split navigation easier.
 --  Use CTRL+<hjkl> to switch between windows
@@ -61,3 +61,23 @@ vim.keymap.set('n', '<C-h>', '<C-w><C-h>', { desc = 'Move focus to the left wind
 vim.keymap.set('n', '<C-l>', '<C-w><C-l>', { desc = 'Move focus to the right window' })
 vim.keymap.set('n', '<C-j>', '<C-w><C-j>', { desc = 'Move focus to the lower window' })
 vim.keymap.set('n', '<C-k>', '<C-w><C-k>', { desc = 'Move focus to the upper window' })
+
+
+-- [[ plugin configuration ]]
+require("nvim-treesitter.configs").setup({
+	highlight = {
+		enable = true,
+		use_languagetree = true,
+	},
+
+	indent = { enable = true },
+})
+
+vim.cmd.colorscheme("catppuccin-macchiato")
+
+require("lualine").setup({
+	options = {
+		theme = "catppuccin",
+	},
+	extensions = { "trouble" },
+})