Adds Makefile, like other celery repos
Adds Makefile, like other celery repos

celery/django-celery,axiom-data-science/django-celery,axiom-data-science/django-celery,axiom-data-science/django-celery,celery/django-celery,kanemra/django-celery,kanemra/django-celery,kanemra/django-celery,celery/django-celery