Capture steps to configure the gateway on a new cluster, in order to ensure the process is efficient and repeatable.

AC

• All steps necessary to deploy EW gateway on a fresh cluster, as executed by this epic (including mounting of secrets, monitoring setup, etc.) are captured in the right order and with sufficient information
• Environment-specific details are captured (stage vs prod configuration)
• Post-deployment verification instructions are included (or referenced)
• The SOP doc is created under https://gitlab.cee.redhat.com/service/app-interface/-/tree/master/docs/console.redhat.com/app-sops