feat: added a universal footer nav (#34864)

client/src/components/layouts/Default.js

@@ -19,6 +19,7 @@ import { isBrowser } from '../../../utils';
 import OfflineWarning from '../OfflineWarning';
 import Flash from '../Flash';
 import Header from '../Header';
+import Footer from '../Footer';
 
 import './global.css';
 import './layout.css';
@@ -156,6 +157,7 @@ class DefaultLayout extends Component {
           ) : null}
           {children}
         </div>
+        <Footer/>
       </Fragment>
     );
   }