chore(grafana): add drycc dashborads (#40)

* chore(grafana): add dashborads

* chore(grafana): rename istio to gateway

---------

Co-authored-by: zhangeamon <EamonZhang>

Author: EamonZhang

charts/grafana/templates/grafana-deployment.yaml

@@ -37,7 +37,7 @@ spec:
           - netcat
           - -v
           - -u
-          - $(GF_DATABASE_URL)
+          - $(GF_DATABASE_URL),http://drycc-controller-api
         {{- include "grafana.envs" . | indent 8 }}
       containers:
       - name: drycc-grafana