lots of shopping tweaks

cookbook/serializer.py

@@ -1436,6 +1436,7 @@ class ServerSettingsSerializer(serializers.Serializer):
     privacy_url = serializers.CharField()
     imprint_url = serializers.CharField()
     hosted = serializers.BooleanField()
+    debug = serializers.BooleanField()
 
     class Meta:
         fields = '__ALL__'

cookbook/views/api.py

@@ -1980,6 +1980,7 @@ class ServerSettingsViewSet(viewsets.GenericViewSet):
         s['privacy_url'] = settings.PRIVACY_URL
         s['imprint_url'] = settings.IMPRINT_URL
         s['hosted'] = settings.HOSTED
+        s['debug'] = settings.DEBUG
 
         return Response(ServerSettingsSerializer(s, many=False).data)