Support Grafana dashboards for Prometheus

Change-Id: I053e9d93f6feb2026e3fd63b4151d0907764cb92
diff --git a/metadata/service/monitoring.yml b/metadata/service/monitoring.yml
new file mode 100644
index 0000000..cbf56a3
--- /dev/null
+++ b/metadata/service/monitoring.yml
@@ -0,0 +1,6 @@
+parameters:
+  kubernetes:
+    common:
+      monitoring:
+        backend: prometheus
+