Update the Satellite administration guide to include instructions for configuring custom RHOKP instance URLs.

Requirements:

• Add section on RHOKP configuration
• Include step-by-step configuration instructions
• Document fallback behavior and troubleshooting
• Include examples of valid URL formats
• Add security considerations for HTTPS instances

Deliverables:

• Admin guide section for RHOKP configuration
• Examples and troubleshooting content
• Review and approval from documentation team