FEAT(authelia): add OIDC admin ClusterRoleBinding

- Add ClusterRoleBinding for Authelia SSO
- Enable admin access via OIDC

authelia/kustomization.yaml

@@ -5,3 +5,4 @@ resources:
 - ingress.yaml
 - middleware.yaml
 - config.yaml
+- rbac.yaml

authelia/rbac.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: oidc-admin-authelia
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+- apiGroup: rbac.authorization.k8s.io
+  kind: User
+  name: "https://auth0213.kro.kr#admin"