【doc】readme add Badge

README.md

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+# CURVE
+
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+
 
 CURVE是网易自主设计研发的高性能、高可用、高可靠分布式存储系统，具有非常良好的扩展性。基于该存储底座可以打造适用于不同应用场景的存储系统，如块存储、对象存储、云原生数据库等。当前我们基于CURVE已经实现了高性能块存储系统，支持快照克隆和恢复 ,支持QEMU虚拟机和物理机NBD设备两种挂载方式, 在网易内部作为高性能云盘使用。
 
@@ -68,3 +74,9 @@ CURVE编码规范严格按照[Google C++开源项目编码指南](https://zh-goo
 - User group：当前为微信群，由于群人数过多，需要先添加以下个人微信，再邀请进群。
 
 <img src="https://raw.githubusercontent.com/opencurve/opencurve.github.io/master/image/curve-wechat.jpeg" style="zoom: 75%;" />
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docs/README.md

+- MDS
+  - [MDS](cn/mds.md)
+
+- Chunkserver
+  - [Chunkserver](cn/chunkserver_design.md)
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+- Client
+  - [NEBD](cn/nebd.md)
+  - [Client](cn/curve-client.md)
+  - [Client Python API](cn/curve-client-python-api.md)
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+- 快照克隆
+  - [Snapshotcloneserver](cn/snapshotcloneserver.md)
+
+- 其他
+  - [CURVE质量体系介绍](cn/quality.md)
+  - [CURVE监控体系介绍](cn/monitor.md)
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+- 应用
+  - [对接k8s文档](cn/k8s_csi_interface.md)
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