feat: export all K8 Plus cluster manifests

Namespaces: argocd, authentik, backup-system, cloudflare-ddns,
gitea, homarr, monitoring, n8n, openclaw, polymarket-bot, vaultwarden
Cluster-wide: clusterissuers, namespaces
Secrets: redacted (structure only, data=REDACTED)

monitoring/configmap-kube-prometheus-stack-grafana-config-dashboards.yaml

@@ -0,0 +1,20 @@
+apiVersion: v1
+data:
+  provider.yaml: "apiVersion: 1\nproviders:\n  - name: 'sidecarProvider'\n    orgId:\
+    \ 1\n    folder: ''\n    folderUid: ''\n    type: file\n    disableDeletion: false\n\
+    \    allowUiUpdates: false\n    updateIntervalSeconds: 30\n    options:\n    \
+    \  foldersFromFilesStructure: false\n      path: /tmp/dashboards"
+kind: ConfigMap
+metadata:
+  annotations:
+    meta.helm.sh/release-name: kube-prometheus-stack
+    meta.helm.sh/release-namespace: monitoring
+  labels:
+    app.kubernetes.io/instance: kube-prometheus-stack
+    app.kubernetes.io/managed-by: Helm
+    app.kubernetes.io/name: grafana
+    app.kubernetes.io/version: 12.4.2
+    helm.sh/chart: grafana-11.5.0
+  name: kube-prometheus-stack-grafana-config-dashboards
+  namespace: monitoring
+