Add support for prometheus

Change-Id: I205facb4287fac83252ea10b4c9d82f4508c067d
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index 5e589d2..655bb27 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -1,6 +1,8 @@
 parameters:
   kubernetes:
     _support:
+      prometheus:
+        enabled: true
       telegraf:
         enabled: true
       collectd: