Add grafana dashboard

Change-Id: If35deeb54e7633280835ed7ba18c0ebaf8b3097d
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index fce5030..9d6df6a 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -9,6 +9,8 @@
         enabled: false
       sphinx:
         enabled: false
+      grafana:
+        enabled: true
       prometheus:
         enabled: true
       telegraf: