Update README.md

Author: andyzhangx

README.md

@@ -20,8 +20,9 @@ This driver allows Kubernetes to use [SMB](https://wiki.wireshark.org/SMB) CSI v
 Please refer to [`smb.csi.k8s.io` driver parameters](./docs/driver-parameters.md)
 
 ### Install SMB CSI driver on a kubernetes cluster
-Please refer to [install SMB CSI driver](./docs/install-smb-csi-driver.md)
-
+ - install by [kubectl](./docs/install-smb-csi-driver.md)
+ - install by [helm](./charts)
+ 
 ### Examples
  - [Set up a Samba Server on a Kubernetes cluster](./deploy/example/smb-provisioner/)
  - [Basic usage](./deploy/example/e2e_usage.md)