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/secret-prometheus-kube-prometheus-stack-prometheus-web-config.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+data:
+  web-config.yaml: REDACTED
+kind: Secret
+metadata:
+  labels:
+    app.kubernetes.io/managed-by: prometheus-operator
+    managed-by: prometheus-operator
+  name: prometheus-kube-prometheus-stack-prometheus-web-config
+  namespace: monitoring
+  ownerReferences:
+  - apiVersion: monitoring.coreos.com/v1
+    blockOwnerDeletion: true
+    controller: true
+    kind: Prometheus
+    name: kube-prometheus-stack-prometheus
+    uid: f0355616-4bfa-4409-8b5f-c1c815ee7a2a
+type: Opaque
+