Preview website title + description in bookmark form

Fix unnecessary selects when rendering bookmarks

bookmarks/views/api.py

@@ -0,0 +1,9 @@
+from django.http import JsonResponse
+
+from services.website_loader import load_website_metadata
+
+
+def website_metadata(request):
+    url = request.GET.get('url')
+    metadata = load_website_metadata(url)
+    return JsonResponse(metadata.to_dict())