fix: Add missing celery file

src/notfellchen/celery.py

@@ -0,0 +1,25 @@
+# <your_project>/celery.py
+
+import os
+from celery import Celery
+from celery.schedules import crontab
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'notfellchen.settings')
+
+app = Celery('notfellchen')
+
+# Load task modules from all registered Django app configs.
+app.config_from_object('django.conf:settings', namespace='CELERY')
+app.autodiscover_tasks()
+
+app.conf.beat_schedule = {
+    'daily-cleanup': {
+        'task': 'admin.clean_locations',
+        'schedule': crontab(hour=2),
+    },
+    'daily-deactivation': {
+        'task': 'admin.deactivate_unchecked',
+        'schedule': 30,
+    }
+}
+