add comments about how to use the client

Author: Mengqi Yu

pkg/scaffold/webhook/admissionhandler.go

@@ -99,6 +99,10 @@ func init() {
 
 // {{ .Resource.Kind }}{{ .OperationsString }}Handler handles {{ .Resource.Kind }}
 type {{ .Resource.Kind }}{{ .OperationsString }}Handler struct {
+	// To use the client, you need to do the following:
+	// - uncomment it
+	// - import sigs.k8s.io/controller-runtime/pkg/client
+	// - uncomment the InjectClient method at the bottom of this file.
 	// Client  client.Client
 
 	// Decoder decodes objects

test/project/pkg/webhook/default_server/firstmate/mutating/firstmate_create_update_handler.go

@@ -36,6 +36,10 @@ func init() {
 
 // FirstMateCreateUpdateHandler handles FirstMate
 type FirstMateCreateUpdateHandler struct {
+	// To use the client, you need to do the following:
+	// - uncomment it
+	// - import sigs.k8s.io/controller-runtime/pkg/client
+	// - uncomment the InjectClient method at the bottom of this file.
 	// Client  client.Client
 
 	// Decoder decodes objects

test/project/pkg/webhook/default_server/firstmate/mutating/firstmate_delete_handler.go

@@ -36,6 +36,10 @@ func init() {
 
 // FirstMateDeleteHandler handles FirstMate
 type FirstMateDeleteHandler struct {
+	// To use the client, you need to do the following:
+	// - uncomment it
+	// - import sigs.k8s.io/controller-runtime/pkg/client
+	// - uncomment the InjectClient method at the bottom of this file.
 	// Client  client.Client
 
 	// Decoder decodes objects

test/project/pkg/webhook/default_server/frigate/validating/frigate_update_handler.go

@@ -36,6 +36,10 @@ func init() {
 
 // FrigateUpdateHandler handles Frigate
 type FrigateUpdateHandler struct {
+	// To use the client, you need to do the following:
+	// - uncomment it
+	// - import sigs.k8s.io/controller-runtime/pkg/client
+	// - uncomment the InjectClient method at the bottom of this file.
 	// Client  client.Client
 
 	// Decoder decodes objects

test/project/pkg/webhook/default_server/kraken/validating/kraken_create_handler.go

@@ -36,6 +36,10 @@ func init() {
 
 // KrakenCreateHandler handles Kraken
 type KrakenCreateHandler struct {
+	// To use the client, you need to do the following:
+	// - uncomment it
+	// - import sigs.k8s.io/controller-runtime/pkg/client
+	// - uncomment the InjectClient method at the bottom of this file.
 	// Client  client.Client
 
 	// Decoder decodes objects

test/project/pkg/webhook/default_server/namespace/mutating/namespace_update_handler.go

@@ -36,6 +36,10 @@ func init() {
 
 // NamespaceUpdateHandler handles Namespace
 type NamespaceUpdateHandler struct {
+	// To use the client, you need to do the following:
+	// - uncomment it
+	// - import sigs.k8s.io/controller-runtime/pkg/client
+	// - uncomment the InjectClient method at the bottom of this file.
 	// Client  client.Client
 
 	// Decoder decodes objects