Use multiline docker compose for scheduler and gunicorn

@@ -14,5 +14,8 @@ services:      - /srv/data/blog/:/data/    ports:      - "${PORT}:${PORT}"    command: python3 manage.py scheduler & gunicorn blog.asgi:application --worker-class uvicorn.workers.UvicornWorker --workers 4 --bind :${PORT} --log-file - --access-logfile - --error-logfile -    command: >      sh -c "python3 manage.py scheduler &             gunicorn blog.asgi:application --worker-class uvicorn.workers.UvicornWorker             --workers 4 --bind :${PORT} --log-file - --access-logfile - --error-logfile -"    restart: always