enc: add neocodeium config for replace codeium.vim

lua/pcode/plugins/extras/telescopediff.lua

@@ -0,0 +1,26 @@
+return {
+  "nvim-telescope/telescope.nvim",
+  dependencies = {
+    "nvim-lua/plenary.nvim",
+    "jemag/telescope-diff.nvim",
+  },
+  config = function()
+    require("telescope").load_extension("diff")
+  end,
+  keys = {
+    {
+      "<leader>sd",
+      function()
+        require("telescope").extensions.diff.diff_files({ hidden = true })
+      end,
+      desc = "Diff 2 Files",
+    },
+    {
+      "<leader>sD",
+      function()
+        require("telescope").extensions.diff.diff_current({ hidden = true })
+      end,
+      desc = "Diff Current File",
+    },
+  },
+}