refactor: rebrand project to HartOMat

backend/app/tasks/celery_app.py

@@ -3,7 +3,7 @@ from celery.schedules import crontab
 from app.config import settings
 
 celery_app = Celery(
-    "schaefflerautomat",
+    "hartomat",
     broker=settings.redis_url,
     backend=settings.redis_url,
     include=[