build: add enterprise dot application (#919)

Required as a part of openedx/public-engineering#42

Author: dyudyunov

enterprise/provision.sh

@@ -3,4 +3,6 @@ set -eu -o pipefail
 set -x
 
 docker-compose exec -T lms bash -e -c 'source /edx/app/edxapp/edxapp_env && python /edx/app/edxapp/edx-platform/manage.py lms --settings=devstack_docker manage_user enterprise_worker enterprise_worker@example.com --staff'
-cat enterprise/worker_permissions.py | docker-compose exec -T lms bash -e -c 'source /edx/app/edxapp/edxapp_env && python /edx/app/edxapp/edx-platform/manage.py lms shell  --settings=devstack_docker'
+cat enterprise/worker_permissions.py | docker-compose exec -T lms bash -e -c 'source /edx/app/edxapp/edxapp_env && python /edx/app/edxapp/edx-platform/manage.py lms shell --settings=devstack_docker'
+
+docker-compose exec -T lms bash -e -c 'source /edx/app/edxapp/edxapp_env && python /edx/app/edxapp/edx-platform/manage.py lms --settings=devstack_docker create_dot_application --grant-type client-credentials --client-id "enterprise-backend-service-key" --client-secret "enterprise-backend-service-secret" enterprise-backend-service enterprise_worker'