add undotree

lua/custom/plugins/editing.lua

@@ -82,4 +82,13 @@ return {
       cmp.event:on('confirm_done', cmp_autopairs.on_confirm_done())
     end,
   },
+  {
+    'mbbill/undotree',
+    config = function()
+      vim.keymap.set({ 'n', 'v' }, '<leader>u', vim.cmd.UndotreeToggle, { desc = '[U]ndo menu' })
+      vim.g.undotree_WindowLayout = 3
+      vim.g.undotree_SplitWidth = 32
+      vim.g.undotree_DiffAutoOpen = false
+    end,
+  },
 }