Update dashboard manifests and add automation

- Updated deployment with correct Pi 3 tolerations
- Updated ingress for cloudflare-tunnel
- Added crontab example for systemd alternative
- Updated go.sum

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

dashboard/deploy/pvc.yaml

@@ -9,8 +9,7 @@ metadata:
 spec:
   accessModes:
     - ReadWriteOnce
+  storageClassName: local-path
   resources:
     requests:
       storage: 100Mi
-  # Adjust storageClassName based on your cluster
-  # storageClassName: local-path