Update the Installing RH Connectivity Link on OpenShift guide with more details on the prerequisites and requirements for OpenShift Service Mesh 3.0. For example:

• Is installing the OSSM 3 Operator enough, or do you also need create an Istio deployment?
• Do you need to set up the IstioCNI plugin?
• How to enable Gateway API in OSSM

Resources

• OSSM 3 Installation documentation: https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0/html/installing/ossm-installing-service-mesh