feat: migrated plugin manager from lazy to vim.pack

.config/nvim/lua/plugins/nvim-neo-tree.lua

@@ -1,10 +1,11 @@
-return {
-  "nvim-neo-tree/neo-tree.nvim",
-  branch = "v3.x",
-  dependencies = {
-    "nvim-lua/plenary.nvim",
-    "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
-    "MunifTanjim/nui.nvim",
-    {"3rd/image.nvim", opts = {}}, -- Optional image support in preview window: See `# Preview Mode` for more information
-  }
-}
+vim.pack.add({
+  --Neo-Tree
+  'https://github.com/MunifTanjim/nui.nvim',
+  'https://github.com/nvim-lua/plenary.nvim',
+  "https://github.com/nvim-tree/nvim-web-devicons",
+  'https://github.com/nvim-neo-tree/neo-tree.nvim',
+})
+
+require("neo-tree").setup({
+    close_if_last_window = true,
+})