docs: change language section to "community translations"

Author: JeanMeche

adev/src/app/core/layout/footer/footer.component.html

@@ -93,7 +93,7 @@ <h2>Resources</h2>
       </ul>
     </div>
     <div>
-      <h2>Languages</h2>
+      <h2>Community translations</h2>
       <ul>
         <li>
           <a href="https://angular.cn/" title="简体中文版">简体中文版</a>