Merge pull request #133 from saikat-royc/release-0.5

Update README for 0.5

README.md

@@ -27,6 +27,7 @@ The following table captures the compatibility matrix of the core filestore driv
 | v0.2.0 (alpha)                          | yes  |  no  |  no  |  no   |
 | v0.3.1 (beta)                           | no   |  yes |  yes |  yes  |
 | v0.4.0 (beta)                           | no   |  yes |  yes |  yes  |
+| v0.5.0 (beta)                           | no   |  yes |  yes |  yes  |
 | master                                  | no   |  yes |  yes |  yes  |
 
 The manifest bundle which captures all the driver components (driver pod which includes the containers csi-external-provisioner, csi-external-resizer, csi-external-snapshotter, gcp-filestore-driver, csi-driver-registrar;