zsh updates

README.md

@@ -62,7 +62,8 @@ stow agents bash dolphin ghostty git kde-themes konsole mangohud nvim python vim
 
 | Script | Purpose |
 |--------|---------|
-| `arch/update.sh` | Update uv, pacman, and flatpak |
+| `arch/update.sh` | Update uv, pacman, flatpak, and VS Code (`/opt/vscode`) |
+| `arch/upgrade_vscode.sh` | Upgrade `/opt/vscode` tarball install when a newer release is available |
 | `arch/fix_vscode.sh` | Create VS Code desktop entry and icon symlinks for `/opt/vscode` |
 | `dolphin.sh` | Copy live Dolphin config into the repo and `stow dolphin` |
 | `vscode-server/install-vscode-extensions.sh` | Install extensions from `extensions.txt` (local, remote, or both) |