feat(operators): add Grafana operator

apps/grafana/overlays/system/config.json

@@ -0,0 +1,11 @@
+{
+  "appName": "grafana",
+  "userGivenName": "grafana",
+  "destNamespace": "monitoring-system",
+  "destServer": "https://kubernetes.default.svc",
+  "srcPath": "apps/grafana/overlays/system",
+  "srcRepoURL": "ssh://git@gitea-ssh.gitops.svc.cluster.local:2222/davad/argo.git",
+  "srcTargetRevision": "",
+  "labels": null,
+  "annotations": null
+}

apps/grafana/overlays/system/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - ../../base
+
+namespace: monitoring-system