fix(nvim): disable unwanted modules, add gruvbox

pkgs/nvim/config/colorschemes/gruvbox.nix

@@ -0,0 +1,5 @@
+{
+  colorschemes.gruvbox = {
+    enable = true;
+  };
+}

pkgs/nvim/config/default.nix

@@ -6,9 +6,10 @@
 
     ./bufferlines/bufferline.nix
 
-    ./colorschemes/base16.nix
-    ./colorschemes/catppuccin.nix
-    ./colorschemes/rose-pine.nix
+    # ./colorschemes/base16.nix
+    # ./colorschemes/catppuccin.nix
+    # ./colorschemes/rose-pine.nix
+    ./colorschemes/gruvbox.nix
 
     ./completion/cmp.nix
     ./completion/copilot.nix
@@ -42,7 +43,7 @@
     ./snippets/luasnip.nix
 
     ./statusline/lualine.nix
-    ./statusline/staline.nix
+    # ./statusline/staline.nix
 
     ./telescope/telescope.nix
 
@@ -54,7 +55,7 @@
     ./ui/nui.nix
 
     ./utils/better-escape.nix
-    ./utils/neocord.nix
+    # ./utils/neocord.nix
     ./utils/flash.nix
     ./utils/hardtime.nix
     ./utils/harpoon.nix