Merge pull request #45 from ZeroMagic/azurefile

doc: add azurefile-csi-driver in Supported CSI Drivers

Author: k8s-ci-robot

README.md

@@ -108,6 +108,8 @@ You can reach the maintainers of this project at:
 
 - [Azure Disk CSI Driver](https://github.com/kubernetes-sigs/azuredisk-csi-driver/tree/master/deploy/example/windows)
 
+- [Azure File CSI Driver](https://github.com/kubernetes-sigs/azurefile-csi-driver/tree/master/deploy/example/windows)
+
 - [Google Compute Engine Persistent Disk CSI Driver](https://github.com/kubernetes-sigs/gcp-compute-persistent-disk-csi-driver)