Added related code to sf_notifier SL service

Change-Id: I97deb94d3e69d0452ba93778d11810327fe15a7f
Related-Bug: PROD-24686
diff --git a/defaults/docker_images.yml b/defaults/docker_images.yml
index 5093781..91f8d2c 100644
--- a/defaults/docker_images.yml
+++ b/defaults/docker_images.yml
@@ -34,6 +34,7 @@
     docker_image_remote_agent: "${_param:mcp_docker_registry}/openstack-docker/telegraf:${_param:mcp_version}"
     docker_image_remote_collector: "${_param:mcp_docker_registry}/openstack-docker/heka:${_param:mcp_version}"
     docker_image_remote_storage_adapter: "${_param:mcp_docker_registry}/openstack-docker/remote_storage_adapter:${_param:mcp_version}"
+    docker_image_sf_notifier: "${_param:mcp_docker_registry}/openstack-docker/sf_notifier:${_param:mcp_version}"
     ##
     docker_image_cockroachdb: "${_param:mcp_docker_registry}/mirantis/external/cockroach:v2.1.1"
     # keycloak