Add support for JSON dashboards

This patch adds the support for JSON dashboards and also provides the
support for remote dashboards.
diff --git a/metadata/service/collector.yml b/metadata/service/collector.yml
new file mode 100644
index 0000000..f788dd0
--- /dev/null
+++ b/metadata/service/collector.yml
@@ -0,0 +1,6 @@
+applications:
+- grafana
+parameters:
+  grafana:
+    collector:
+      enabled: true