Add Question ID to Criterion serialization

unisportomat/quiz/serializers.py

@@ -191,6 +191,7 @@ class CriteriaSerializer(serializers.BaseSerializer):
             criterion_dict = {}
 
             criterion_dict["id"] = crit.pk
+            criterion_dict["question_id"] = crit.question.pk
             criterion_dict["name"] = crit.name
             criterion_dict["number_of_sports_active"] = active_sports
             criterion_dict["sum_of_weights"] = sum_of_weights