CoPilot forgot to add to this file

Presumably should be here too, for embedded instances.

Author: shriram

src/web/blocks.html

@@ -206,6 +206,7 @@ <h2 id="menutitle" class="screenreader-only">Navigation Controls</h2>
                 <option value="panda">Panda</option>
                 <option value="high-contrast-light">High Contrast Light</option>
                 <option value="high-contrast-dark">High Contrast Dark</option>
+                <option value="pink">Pink</option>
               </select>
             </li>
           </ul>