chart: make doc

Signed-off-by: roc <[email protected]>

Author: imroc

charts/tke-extend-network-controller/README.md

@@ -1,6 +1,6 @@
 # tke-extend-network-controller
 
-![Version: 2.1.1](https://img.shields.io/badge/Version-2.1.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.1.1](https://img.shields.io/badge/AppVersion-2.1.1-informational?style=flat-square)
+![Version: 2.2.0](https://img.shields.io/badge/Version-2.2.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.2.0](https://img.shields.io/badge/AppVersion-2.2.0-informational?style=flat-square)
 
 针对 TKE 集群一些特殊场景的的网络控制器。