neovim: add plugins and themes

home/modules/neovim.nix

@@ -40,8 +40,66 @@ in {
       '';
 
       plugins = with pkgs.vimPlugins; [
+        barbar-nvim
+        nvim-web-devicons
         vim-nix
         vim-visual-multi
+        {
+          plugin = nvim-tree-lua;
+          type = "lua";
+          config = ''
+            require("nvim-tree").setup({
+              renderer = {
+                icons = {
+                  show = {
+                    file = true,
+                    folder = true,
+                    folder_arrow = true,
+                    git = true,
+                  },
+                  glyphs = {
+                    git = {
+                      unstaged = "",
+                      staged = "",
+                      unmerged = "",
+                      renamed = "",
+                      untracked = "",
+                      deleted = "",
+                      ignored = "",
+                    },
+                  },
+                },
+              },
+              view = {
+                width = 30,
+                side = 'left',
+              },
+              sync_root_with_cwd = true, --fix to open cwd with tree
+              respect_buf_cwd = true,
+              update_cwd = true,
+              update_focused_file = {
+                enable = true,
+                update_cwd = true,
+                update_root = true,
+              },
+            })
+
+            vim.g.nvim_tree_respect_buf_cwd = 1
+
+            -- use g? for bindings help while in tree
+          '';
+        }
+        {
+          plugin = gruvbox-nvim;
+          type = "lua";
+          config = ''
+            require("gruvbox").setup({
+              contrast = "high",
+            })
+            vim.o.background = "dark"
+            vim.cmd([[colorscheme gruvbox]])
+          '';
+        }
       ];
     };
     home.sessionVariables = {