add nvimtree

lua/plugin/nvimtree.lua

@@ -0,0 +1,18 @@
+return {
+  "nvim-tree/nvim-tree.lua",
+  version = "*",
+  lazy = false,
+  dependencies = {
+    "nvim-tree/nvim-web-devicons",
+  },
+  keys = {
+    { "<leader>F", "<cmd>NvimTreeToggle<cr>", desc = "Toggle Filetree" },
+  },
+  config = function()
+    require("nvim-tree").setup({
+      view = {
+        width = 42,
+      },
+    })
+  end,
+}