feat: extensible default footer component (#3883)

framework/core/js/src/forum/ForumApplication.tsx

@@ -24,6 +24,7 @@ import type NotificationModel from '../common/models/Notification';
 import type PostModel from '../common/models/Post';
 import extractText from '../common/utils/extractText';
 import Notices from './components/Notices';
+import Footer from './components/Footer';
 
 export interface ForumApplicationData extends ApplicationData {}
 
@@ -118,6 +119,7 @@ export default class ForumApplication extends Application {
     m.mount(document.getElementById('header-primary')!, HeaderPrimary);
     m.mount(document.getElementById('header-secondary')!, HeaderSecondary);
     m.mount(document.getElementById('notices')!, Notices);
+    m.mount(document.getElementById('footer')!, Footer);
 
     // Route the home link back home when clicked. We do not want it to register
     // if the user is opening it in a new tab, however.

framework/core/js/src/forum/components/Footer.tsx

@@ -0,0 +1,7 @@
+import Component from '../../common/Component';
+
+export default class Footer extends Component {
+  view() {
+    return null;
+  }
+}

framework/core/views/frontend/forum.blade.php

@@ -39,6 +39,8 @@
         </div>
     </main>
 
+    <footer class="App-footer" id="footer"></footer>
+
 </div>
 
 {!! $forum['footerHtml'] !!}