OZ-977: Add DEMO data toggle to docker-compose-demo.yml (#192)

Author: kipchubett

docker-compose-demo.yml

@@ -6,6 +6,7 @@ services:
       - OPENMRS_SERVER_URL=http://openmrs:8080/openmrs
       - OPENMRS_USERNAME=${OPENMRS_USER}
       - OPENMRS_PASSWORD=${OPENMRS_PASSWORD}
+      - OPENMRS_DEMO_DATA_ENABLED=${DEMO}
       - OPENMRS_OAUTH_ENABLED=${ENABLE_SSO}
       - OPENMRS_OAUTH_CLIENT_ID=${OAUTH_CLIENT_ID}
       - OPENMRS_OAUTH_CLIENT_SECRET=${OAUTH_CLIENT_SECRET}