Feat/celery import (#2608)

# Description

Please include a summary of the changes and the related issue. Please
also include relevant motivation and context.

## Checklist before requesting a review

Please delete options that are not relevant.

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented hard-to-understand areas
- [ ] I have ideally added tests that prove my fix is effective or that
my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged

## Screenshots (if appropriate):

backend/celery_worker.py

@@ -7,6 +7,7 @@ from celery.schedules import crontab
 from celery_config import celery
 from fastapi import UploadFile
 from logger import get_logger
+from middlewares.auth.auth_bearer import AuthBearer
 from models.files import File
 from models.settings import get_supabase_client
 from modules.brain.integrations.Notion.Notion_connector import NotionConnector
@@ -27,6 +28,7 @@ logger = get_logger(__name__)
 onboardingService = OnboardingService()
 notification_service = NotificationService()
 brain_service = BrainService()
+auth_bearer = AuthBearer()
 
 
 @celery.task(name="process_file_and_notify")