Add grafana

Add grafana

Author: Storce

cluster.toml

@@ -43,6 +43,7 @@ velero = { path = "apps/velero.py" }
 create = { git = "https://github.com/ocf/create" }
 etc = { git = "https://github.com/ocf/etc" }
 ergo = { git = "https://github.com/ocf/irc" }
+grafana = { git = "https://github.com/ocf/grafana" }
 id6 = { git = "https://github.com/ocf/id6" }
 jukebox = { git = "https://github.com/ocf/jukebox" }
 labmap = { git = "https://github.com/ocf/labmap" }