add steps to disable the webhooks

Signed-off-by: Spolti <fspolti@redhat.com>

Author: spolti

serverlessworkflow/modules/ROOT/pages/cloud/operator/install-serverless-operator.adoc

@@ -80,7 +80,17 @@ minikube start [...] --driver podman
 
 === Install
 
-To install the {product_name} Operator, you can use the following commands:
+To install the {product_name} Operator, you can use one of the following methods:
+
+==== Install without Webhooks
+
+The webhooks are enabled by default, if you want to disable it, you can install the operator using the `operator-no-webhooks.yaml` and skip the `Cert Manager` step.
+.Install {product_name} Operator on Kubernetes with no Webhooks
+[source,shell]
+----
+curl https://raw.githubusercontent.com/kiegroup/kogito-serverless-operator/{operator_version}/operator.yaml -o operator.yaml
+sed -i '/name: ENABLE_WEBHOOKS/{n;s/value: "true"/value: "false"/}' operator-no-webhooks.yaml
+----
 
 .Install Cert Manager Operator
 [source,shell,subs="attributes+"]
@@ -92,6 +102,7 @@ kubectl apply -f {cert_manager_installer_url}
 The Cert Manager is recommended in order to help on abstracting the certificates configuration, if, for some reason it can't be installed, you need to make sure that the certificates needed by the Webhooks correctly configured, more information can be found link:{kubebuilder_webhooks_url}[here].
 ====
 
+==== Install with Webhooks
 .Install {product_name} Operator on Kubernetes
 [source,shell,subs="attributes+"]
 ----