added restart policy

docker-compose.yml

         build: ./frontend
         image: docker-registry.rthoni.com/sites-status-frontend-image:dev
         container_name: sites-status-frontend
+#        restart: unless-stopped
         networks:
             sites-status.internal.docker:
                 aliases:
                 - BUILD_CONFIG=Release
         image: docker-registry.rthoni.com/sites-status-backend-image:dev
         container_name: sites-status-backend
+#        restart: unless-stopped
         networks:
             sites-status.internal.docker:
                 aliases: