feat: add vscode again, to get the best experience of copilot chat

home/linux/desktop/i3/values/x11-apps.nix

@@ -1,9 +1,12 @@
-{pkgs, ...}: {
+{
+  pkgs,
+  pkgs-unstable,
+  ...
+}: {
   home.packages = with pkgs; [
     firefox
   ];
 
-  # TODO vscode & chrome both have wayland support, but they don't work with fcitx5, need to fix it.
   programs = {
     # source code: https://github.com/nix-community/home-manager/blob/master/modules/programs/chromium.nix
     google-chrome = {
@@ -16,5 +19,11 @@
       # commandLineArgs = [
       # ];
     };
+    vscode = {
+      enable = true;
+      package = pkgs-unstable.vscode;
+      # let vscode sync and update its configuration & extensions across devices, using github account.
+      # userSettings = {};
+    };
   };
 }