Starting implementing the maintenance popup element for media boxes

src/content/listing.js

@@ -1,3 +1,9 @@
 import "$styles/content/listing.scss";
 
-import "$lib/web-components/TagEditorComponent.js";
+import "$lib/web-components/MaintenancePopupComponent.js";
+
+document.querySelectorAll('.media-box').forEach(mediaBoxElement => {
+  mediaBoxElement.appendChild(
+    document.createElement('maintenance-popup')
+  );
+});