feat(grafana_dashboard): nfc custom, cluster overview

!1

templates/GrafanaDashboard-cluster-summary.yaml

@@ -0,0 +1,19 @@
+---
+apiVersion: grafana.integreatly.org/v1beta1
+kind: GrafanaDashboard
+metadata:
+  name: cluster-summary
+  namespace:  grafana
+spec:
+  allowCrossNamespaceImport: false
+  folder: No Fuss Monitoring
+  resyncPeriod: 30s
+  instanceSelector:
+    matchLabels:
+      app.kubernetes.io/component: graphing
+      app.kubernetes.io/instance: k8s
+      app.kubernetes.io/name: grafana
+   {{ $Dashboard := .Files.Get "files/dashboard-summary.json" | fromJson }}
+  json: >-
+    {{ $Dashboard | toRawJson }}
+