FEAT(mas): add multi-agent system application

- ArgoCD Application for mas namespace
- Deployment with privileged container, hostPID for K8s access
- RBAC: ServiceAccount, ClusterRoles (viewer/writer)
- ExternalSecrets for API keys and PostgreSQL password
- Ingress at mas0213.kro.kr with Authelia SSO

kustomization.yaml

@@ -11,3 +11,4 @@ resources:
   - headlamp/argocd.yaml
   - immich/argocd.yaml
   - crafty/argocd.yaml
+  - mas/argocd.yaml