Add Grafana dashboard screenshot

README.md

@@ -78,3 +78,7 @@ These screenshots show some of the available functionality of the PVC system and
 <p><img alt="10. Provisioner" src="images/10-provisioner.png"/><br/>
 <i>PVC features an extensively customizable and configurable VM provisioner system, including EC2-compatible CloudInit support, allowing you to define flexible VM profiles and provision new VMs with a single command.</i>
 </p>
+
+<p><img alt="11. Prometheus and Grafana dashboard" src="images/11-prometheus-grafana.png"/><br/>
+<i>PVC features several monitoring integrations, including CheckMK, Munin, and, most recently, Prometheus, including an included Grafana dashboard for cluster monitoring and alerting.</i>
+</p>

node-daemon/monitoring/prometheus/grafana-pvc-dashboard.json

@@ -2555,7 +2555,9 @@
   ],
   "refresh": "5s",
   "schemaVersion": 38,
-  "tags": [],
+  "tags": [
+    "pvc"
+  ],
   "templating": {
     "list": [
       {
@@ -2592,6 +2594,6 @@
   "timezone": "",
   "title": "PVC Cluster",
   "uid": "fbddd9f9-aadb-4c97-8aea-57c29e5de234",
-  "version": 56,
+  "version": 57,
   "weekStart": ""
 }