Start adding celery to application

backend/Pipfile

backend/Pipfile.lock

backend/metagenedb/api/catalog/urls.py

backend/metagenedb/api/catalog/views/celery_test.py

backend/metagenedb/apps/core/__init__.py

backend/metagenedb/apps/core/management/__init__.py

backend/metagenedb/apps/core/management/commands/__init__.py

.../metagenedb/apps/core/management/commands/watch_celery.py

backend/metagenedb/celery_app.py

backend/metagenedb/settings/__init__.py

backend/metagenedb/settings/celery.py

backend/metagenedb/settings/django.py

docker-compose.yaml

nginx/dev/nginx.conf