fix(grafana): add dashboard providers

cluster/apps/monitoring/grafana/helm-release.yaml

@@ -98,6 +98,27 @@ spec:
     serviceMonitor:
       enabled: true
 
+    dashboardProviders:
+      dashboardproviders.yaml:
+        apiVersion: 1
+        providers:
+          - name: default
+            orgId: 1
+            folder: ""
+            type: file
+            disableDeletion: false
+            editable: true
+            options:
+              path: /var/lib/grafana/dashboards/default
+          - name: kubernetes
+            orgId: 1
+            folder: Kubernetes
+            type: file
+            disableDeletion: false
+            editable: true
+            options:
+              path: /var/lib/grafana/dashboards/kubernetes
+
     dashboards:
       default:
         node-exporter-full: