feat: Add healthcheck

src/fellchensammlung/tasks.py

@@ -1,5 +1,6 @@
 from notfellchen.celery import app as celery_app
 from .tools.admin import clean_locations, deactivate_unchecked_adoption_notices
+from .tools.misc import healthcheck_ok
 from .models import Location, AdoptionNotice
 
 
@@ -17,3 +18,7 @@ def task_deactivate_unchecked():
 def add_adoption_notice_location(pk):
     instance = AdoptionNotice.objects.get(pk=pk)
     Location.add_location_to_object(instance)
+
+@celery_app.task(name="tools.healthcheck")
+def task_healthcheck():
+    healthcheck_ok()