feat: Add basic API

src/fellchensammlung/api/serializers.py

@@ -0,0 +1,10 @@
+from ..models import AdoptionNotice
+from rest_framework import serializers
+
+
+
+
+class AdoptionNoticeSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = AdoptionNotice
+        fields = ['created_at', 'last_checked', "searching_since", "name", "description", "further_information", "group_only"]