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

mas/service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: mas
+  labels:
+    app: mas
+spec:
+  type: ClusterIP
+  ports:
+  - port: 8000
+    targetPort: 8000
+    protocol: TCP
+    name: http
+  selector:
+    app: mas