add copilot, autopairs for auto closing parens, neotree for dir tree

lua/custom/plugins/neotree.lua

@@ -0,0 +1,15 @@
+-- Unless you are still migrating, remove the deprecated commands from v1.x
+vim.cmd([[ let g:neo_tree_remove_legacy_commands = 1 ]])
+
+return {
+	"nvim-neo-tree/neo-tree.nvim",
+	version = "*",
+	dependencies = {
+		"nvim-lua/plenary.nvim",
+		"nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
+		"MunifTanjim/nui.nvim",
+	},
+	config = function()
+		require('neo-tree').setup {}
+	end,
+}