feat(nvim): add highlight-undo.nvim plugin

nvim/lazy-lock.json

@@ -32,6 +32,7 @@
   "gh.nvim": { "branch": "main", "commit": "2b5551656c1b896bf4ae06546eaaab00311f9a18" },
   "gitsigns.nvim": { "branch": "main", "commit": "a36bc3360d584d39b4fb076d855c4180842d4444" },
   "harpoon": { "branch": "master", "commit": "21f4c47c6803d64ddb934a5b314dcb1b8e7365dc" },
+  "highlight-undo.nvim": { "branch": "main", "commit": "1aeada51fb956f1ef121f29ddbb2ef6108a3c480" },
   "indent-blankline.nvim": { "branch": "master", "commit": "7075d7861f7a6bbf0de0298c83f8a13195e6ec01" },
   "lazy.nvim": { "branch": "main", "commit": "b7043f2983d7aead78ca902f3f2053907081859a" },
   "leap.nvim": { "branch": "main", "commit": "3cc0e6a0b99dc18d4e5a88baa3cbe3c7b8b34566" },

nvim/lua/plugins/highlight-undo.lua

@@ -0,0 +1,15 @@
+-- highlight-undo.nvim
+-- https://github.com/tzachar/highlight-undo.nvim
+return {
+  "tzachar/highlight-undo.nvim",
+  config = function()
+    require("highlight-undo").setup({
+      hlgroup = "HighlightUndo",
+      duration = 300,
+      keymaps = {
+        { "n", "u", "undo", {} },
+        { "n", "<C-r>", "redo", {} },
+      },
+    })
+  end,
+}