1. update clientset, deepcopy using code-generator

2. add a dummy file tools.go to force "go mod vendor" to see
code-generator as dependencies
3. add a script to update CRD
4. add a README to document CRD updating steps
run go mod tidy
update README

vendor/k8s.io/api/storage/v1/register.go

@@ -49,6 +49,9 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 
 		&VolumeAttachment{},
 		&VolumeAttachmentList{},
+
+		&CSINode{},
+		&CSINodeList{},
 	)
 
 	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)