feat: added celery and removed background_tasks for MQ's

- removed pre commit hooks
- updated docker setup
- updated github docker actions
- updated docs

surfsense_backend/celery_worker.py

@@ -0,0 +1,13 @@
+"""Celery worker startup script."""
+
+import os
+import sys
+
+# Add the app directory to the Python path
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "app"))
+
+from app.celery_app import celery_app
+
+if __name__ == "__main__":
+    # Start the Celery worker
+    celery_app.start()