adding some newlines

docs/_source/iaas_setup.rst

@@ -686,25 +686,31 @@ edit the contents of both files to be:
 sudo systemctl daemon-reload
 
 sudo systemctl enable airflow-scheduler.service
+
 sudo systemctl enable airflow-webserver.service
 
 sudo systemctl start airflow-scheduler.service
+
 sudo systemctl start airflow-webserver.service
 
 sudo systemctl restart airflow-scheduler.service
+
 sudo systemctl restart airflow-webserver.service
 
 sudo systemctl stop airflow-scheduler.service
+
 sudo systemctl stop airflow-webserver.service
 
 3: check the status of the services
 
 sudo systemctl status airflow-scheduler.service
+
 sudo systemctl status airflow-webserver.service
 
 4: check the logs
 
 sudo journalctl -r -u airflow-scheduler.service
+
 sudo journalctl -r -u airflow-webserver.service