return {
	{
		"mbbill/undotree",
		keys = {
			{ "<leader>u", "<cmd>UndotreeToggle<cr>", desc = "toggle undotree" },
		},
		config = function()
			vim.g.undotree_WindowLayout = 4
			vim.g.undotree_SplitWidth = 40
			vim.g.undotree_SetFocusWhenToggle = 1
		end
	}
}

