feat: add adminer and vaultwarden apps, integrated from k8s-manifests

apps/vaultwarden/stop.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "🛑 停止 Vaultwarden（保留資料）..."
+
+kubectl delete deployment/vaultwarden --ignore-not-found
+kubectl delete service/vaultwarden-service --ignore-not-found
+kubectl delete ingress/vaultwarden-ingress --ignore-not-found
+
+echo "✅ Vaultwarden 已停止，PVC 資料保留"