update readme

Signed-off-by: Oleg Sucharevich <olegs@codefresh.io>

README.md

@@ -65,6 +65,12 @@ List of the resources that will be created
   * `cluster-role.dind-volume-provisioner.re.yaml` Defines all the permission needed for the controller to operate correctly
   * `cluster-role-binding.dind-volume-provisioner.yaml` - Binds the ClusterRole to `service-account.dind-volume-provisioner.re.yaml`
 
+### Access the cluster from executed pipeline
+After a successfull installation of Venona, you'll be able to run a Codefresh pipeline on the configured cluster.  
+However, the pipeline itself dosent have any permission to connect to the hosted cluster.  
+To make it work you need to add the cluster to Codefresh (make sure the service acount has all the permissions you need)
+> codefresh create cluster --kube-context CONTEXT_NAME --namesapce NAMESPACE --serviceaccount SERVICE_ACCOUNT --behind-firewall
+
 #### Upgrade
 To upgrade existing runtime-environment, a one that was created without Venona's agent, run:
 * Find the name of the cluster was linked to that runtime environment <br />