[SPARK-49049] Document MasterPage custom title conf and REST API server-side env variable replacements

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0
• Component/s: Documentation
• Labels: pull-request-available
• Assignee: Dongjoon Hyun
• Reporter: Dongjoon Hyun
• Created: 29/Jul/24 20:47
• Updated: 30/Jul/24 03:53
• Resolved: 30/Jul/24 03:53

Issue Links

• links to: GitHub Pull Request #47523