Add Expansion Capability for gcs.csi.ofek.dev

See ofek/csi-gcs#32

Author: maennchen

book/src/drivers.md

@@ -34,7 +34,7 @@ Name | CSI Driver Name | Compatible with CSI Version(s) | Description | Persiste
 [Ember CSI](https://ember-csi.io) | `[x].ember-csi.io` | v0.2, v0.3, v1.0 | Multi-vendor CSI plugin supporting over 80 Drivers to provide block and mount storage to Container Orchestration systems. | Persistent | Read/Write Single Pod | Yes | Raw Block, Snapshot
 [GCE Persistent Disk](https://github.com/kubernetes-sigs/gcp-compute-persistent-disk-csi-driver) | `pd.csi.storage.gke.io` | v0.3, v1.0 | A Container Storage Interface (CSI) Driver for Google Compute Engine Persistent Disk (GCE PD) | Persistent | Read/Write Single Pod | Yes | Raw Block, Snapshot, Expansion, Topology
 [Google Cloud Filestore](https://github.com/kubernetes-sigs/gcp-filestore-csi-driver) | `com.google.csi.filestore` | v0.3 | A Container Storage Interface (CSI) Driver for Google Cloud Filestore | Persistent | Read/Write Multiple Pods | Yes | 
-[Google Cloud Storage](https://github.com/ofek/csi-gcs) | `gcs.csi.ofek.dev` | v1.0 | A Container Storage Interface (CSI) Driver for Google Cloud Storage | Persistent and Ephemeral | Read/Write Multiple Pods | Yes |
+[Google Cloud Storage](https://github.com/ofek/csi-gcs) | `gcs.csi.ofek.dev` | v1.0 | A Container Storage Interface (CSI) Driver for Google Cloud Storage | Persistent and Ephemeral | Read/Write Multiple Pods | Yes | Expansion
 [GlusterFS](https://github.com/gluster/gluster-csi-driver) | `org.gluster.glusterfs` | v0.3, v1.0 | A Container Storage Interface (CSI) Driver for GlusterFS | Persistent | Read/Write Multiple Pods | Yes | Snapshot
 [Gluster VirtBlock](https://github.com/gluster/gluster-csi-driver) | `org.gluster.glustervirtblock` | v0.3, v1.0 | A Container Storage Interface (CSI) Driver for Gluster Virtual Block volumes | Persistent | Read/Write Single Pod | Yes | 
 [Hammerspace CSI](https://github.com/hammer-space/csi-plugin) | `com.hammerspace.csi` | v0.3, v1.0 | A Container Storage Interface (CSI) Driver for Hammerspace Storage | Persistent | Read/Write Multiple Pods | Yes | Raw Block, Snapshot