refactor the catalog

SUMMARY.md

@@ -25,49 +25,49 @@
   - [Kubernetes中的网络解析——以calico为例](concepts/calico.md)
 - [资源对象与基本概念解析](concepts/objects.md)
 - [Pod状态与生命周期管理](concepts/pod-state-and-lifecycle.md)
-    - [Pod概览](concepts/pod-overview.md)
-    - [Pod解析](concepts/pod.md)
-    - [Init容器](concepts/init-containers.md)
-    - [Pod安全策略](concepts/pod-security-policy.md)
-    - [Pod的生命周期](concepts/pod-lifecycle.md)
-    - [Pod Hook](concepts/pod-hook.md)
-    - [Pod Preset](concepts/pod-preset.md)
-    - [Pod中断与PDB（Pod中断预算）](concepts/pod-disruption-budget.md)
-  - [集群资源管理](concepts/cluster.md)
-    - [Node](concepts/node.md)
-    - [Namespace](concepts/namespace.md)
-    - [Label](concepts/label.md)
-    - [Annotation](concepts/annotation.md)
-    - [Taint和Toleration（污点和容忍）](concepts/taint-and-toleration.md)
-    - [垃圾收集](concepts/garbage-collection.md)
-  - [控制器](concepts/controllers.md)
-    - [Deployment](concepts/deployment.md)
-    - [StatefulSet](concepts/statefulset.md)
-    - [DaemonSet](concepts/daemonset.md)
-    - [ReplicationController和ReplicaSet](concepts/replicaset.md)
-    - [Job](concepts/job.md)
-    - [CronJob](concepts/cronjob.md)
-    - [Horizontal Pod Autoscaling](concepts/horizontal-pod-autoscaling.md)
-      - [自定义指标HPA](concepts/custom-metrics-hpa.md)
-  - [服务发现](concepts/service-discovery.md)
-    - [Service](concepts/service.md)
-    - [Ingress](concepts/ingress.md)
-      - [Traefik Ingress Controller](concepts/traefik-ingress-controller.md)
-  - [身份与权限控制](concepts/authentication-and-permission.md)
-    - [ServiceAccount](concepts/serviceaccount.md)
-    - [RBAC——基于角色的访问控制](concepts/rbac.md)
-    - [NetworkPolicy](concepts/network-policy.md)
-  - [存储](concepts/storage.md)
-    - [Secret](concepts/secret.md)
-    - [ConfigMap](concepts/configmap.md)
-      - [ConfigMap的热更新](concepts/configmap-hot-update.md)
-    - [Volume](concepts/volume.md)
-    - [Persistent Volume（持久化卷）](concepts/persistent-volume.md)
-    - [Storage Class](concepts/storageclass.md)
-  - [集群扩展](concepts/extension.md)
-    - [使用自定义资源扩展API](concepts/custom-resource.md)
-    - [Aggregated API Server](concepts/aggregated-api-server.md)
-    - [APIService](concepts/apiservice.md)
+  - [Pod概览](concepts/pod-overview.md)
+  - [Pod解析](concepts/pod.md)
+  - [Init容器](concepts/init-containers.md)
+  - [Pod安全策略](concepts/pod-security-policy.md)
+  - [Pod的生命周期](concepts/pod-lifecycle.md)
+  - [Pod Hook](concepts/pod-hook.md)
+  - [Pod Preset](concepts/pod-preset.md)
+  - [Pod中断与PDB（Pod中断预算）](concepts/pod-disruption-budget.md)
+- [集群资源管理](concepts/cluster.md)
+  - [Node](concepts/node.md)
+  - [Namespace](concepts/namespace.md)
+  - [Label](concepts/label.md)
+  - [Annotation](concepts/annotation.md)
+  - [Taint和Toleration（污点和容忍）](concepts/taint-and-toleration.md)
+  - [垃圾收集](concepts/garbage-collection.md)
+- [控制器](concepts/controllers.md)
+  - [Deployment](concepts/deployment.md)
+  - [StatefulSet](concepts/statefulset.md)
+  - [DaemonSet](concepts/daemonset.md)
+  - [ReplicationController和ReplicaSet](concepts/replicaset.md)
+  - [Job](concepts/job.md)
+  - [CronJob](concepts/cronjob.md)
+  - [Horizontal Pod Autoscaling](concepts/horizontal-pod-autoscaling.md)
+    - [自定义指标HPA](concepts/custom-metrics-hpa.md)
+- [服务发现](concepts/service-discovery.md)
+  - [Service](concepts/service.md)
+  - [Ingress](concepts/ingress.md)
+    - [Traefik Ingress Controller](concepts/traefik-ingress-controller.md)
+- [身份与权限控制](concepts/authentication-and-permission.md)
+  - [ServiceAccount](concepts/serviceaccount.md)
+  - [RBAC——基于角色的访问控制](concepts/rbac.md)
+  - [NetworkPolicy](concepts/network-policy.md)
+- [存储](concepts/storage.md)
+  - [Secret](concepts/secret.md)
+  - [ConfigMap](concepts/configmap.md)
+    - [ConfigMap的热更新](concepts/configmap-hot-update.md)
+  - [Volume](concepts/volume.md)
+  - [Persistent Volume（持久化卷）](concepts/persistent-volume.md)
+  - [Storage Class](concepts/storageclass.md)
+- [集群扩展](concepts/extension.md)
+  - [使用自定义资源扩展API](concepts/custom-resource.md)
+  - [Aggregated API Server](concepts/aggregated-api-server.md)
+  - [APIService](concepts/apiservice.md)
 - [资源调度](concepts/scheduling.md)
 
 ### 用户指南