setup neotree

after/plugin/neotree.lua

@@ -0,0 +1,16 @@
+require('neo-tree').setup{
+  close_if_last_window = false,
+  enable_diagnostics = true,
+  enable_git_status = true,
+  filesystem = {
+    filtered_items = {
+      visible = true
+    },
+    follow_current_file = {
+      enabled = true
+    },
+    use_libuv_file_watcher = true
+  }
+}
+
+vim.keymap.set("n", "<leader>1", "<cmd>Neotree toggle<Return>")

lua/plugins.lua

@@ -13,6 +13,16 @@ return require('packer').startup(function(use)
     }
   }
 
+  use {
+  "nvim-neo-tree/neo-tree.nvim",
+    branch = "v3.x",
+    requires = {
+      "nvim-lua/plenary.nvim",
+      "nvim-tree/nvim-web-devicons",
+      "MunifTanjim/nui.nvim"
+    }
+  }
+
   use {
     'nvim-lualine/lualine.nvim',
     requires = { 'nvim-tree/nvim-web-devicons', opt = true }