add fastapi rest api and celery workers

iaai_scraper/api/deps.py

@@ -0,0 +1,9 @@
+"""FastAPI deps."""
+
+from fastapi import Request
+
+from ..storage.db import PersistenceService
+
+
+def get_persistence(request: Request) -> PersistenceService:
+    return request.app.state.persistence