1  --- Undo tree: <leader>U
2  return {
3    specs = {
4      { src = 'https://github.com/mbbill/undotree', name = 'undotree' },
5    },
6    config = function()
7      vim.keymap.set('n', '<leader>U', vim.cmd.UndotreeToggle, { desc = 'Undo tree' })
8    end,
9  }