Add Sangfor Block Storage(EDS) CSI Driver

Add Sangfor Block Storage(EDS) CSI Driver

Author: eds-wzc

book/src/drivers.md

@@ -82,6 +82,7 @@ Name | CSI Driver Name | Compatible with CSI Version(s) | Description | Persiste
 [ROBIN](https://get.robin.io/) | `robin` | v0.3, v1.0 | A Container Storage Interface (CSI) Driver for [ROBIN](https://docs.robin.io) | Persistent | Read/Write Multiple Pods | Yes | Raw Block, Snapshot, Cloning
 [SandStone](https://github.com/sandstone-storage/sandstone-csi-driver) | `csi-sandstone-plugin` | v1.0 | A Container Storage Interface (CSI) Driver for SandStone USP | Persistent | Read/Write Multiple Pods | Yes | Raw Block, Snapshot, Expansion, Cloning 
 [Sangfor-EDS](https://github.com/evan37717/sangfor-eds-csi) | `eds.csi.sangfor.com` | v1.0 | A Container Storage Interface (CSI) Driver for Sangfor Distributed File Storage(EDS) | Persistent | Read/Write Multiple Pods | Yes |
+[Sangfor-EDS-Block-Storage](https://github.com/eds-wzc/sangfor-eds-csi) | `eds.csi.block.sangfor.com` | v1.0 | A Container Storage Interface (CSI) Driver for Sangfor Block Storage(EDS) | Persistent | Read/Write Single Pod | Yes |
 [SeaweedFS](https://github.com/seaweedfs/seaweedfs-csi-driver) | `seaweedfs-csi-driver` | v1.0 | A Container Storage Interface (CSI Driver for [SeaweedFS](https://github.com/chrislusf/seaweedfs)) | Persistent | Read/Write Multiple Pods | Yes |
 [Secrets Store CSI Driver](https://github.com/kubernetes-sigs/secrets-store-csi-driver) | `secrets-store.csi.k8s.io` | v0.0.10 | A Container Storage Interface (CSI) Driver for mounting secrets, keys, and certs stored in enterprise-grade external secrets stores as volumes. | Ephemeral | N/A | N/A | 
 [SmartX](http://www.smartx.com/?locale=en) | `csi-smtx-plugin` | v1.0 | A Container Storage Interface (CSI) Driver for SmartX ZBS Storage  | Persistent | Read/Write Multiple Pods | Yes | Snapshot, Expansion