chore: some improvements

lua/plugins/tree.lua

@@ -0,0 +1,22 @@
+return {
+  {
+    "nvim-tree/nvim-tree.lua",
+    version = "*",
+    lazy = false,
+    dependencies = {
+      "nvim-tree/nvim-web-devicons",
+    },
+    config = function()
+      require("nvim-tree").setup({})
+    end,
+    keys = {
+      {
+        "<leader>e",
+        function()
+          vim.cmd("NvimTreeToggle")
+        end,
+        desc = "File Explorer",
+      },
+    },
+  },
+}