feat: register animal-crossing theme slug

index.html

@@ -45,6 +45,9 @@
           <li role="option" data-value="nord" aria-selected="false">
             Nord
           </li>
+          <li role="option" data-value="animal-crossing" aria-selected="false">
+            动森
+          </li>
         </ul>
       </label>
       <label class="design-theme language-switch">