Capture steps to deploy FEO + Frontends on a new cluster, in order to ensure the process is efficient and repeatable.

AC

• All steps necessary to deploy FEO + Frontends on a fresh cluster (including namespace creation, mounting of secrets, monitoring setup, etc.) are captured in the right order and 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