Staging-101

What's Changed

• Issue #2379: portfolio domain readonly view by @dave-kennedy-ecs in #2527
• 2398: Complete manual deploy workflow 2/2 by @erinysong in #2486
• Issue #2379: Hotfix for portfolio waffle flag not being checked in all templates by @dave-kennedy-ecs in #2533
• Issue #2367: Portfolio invitation backend - MIGRATION - [BOB] by @rachidatecs in #2526
• Issue #2505: Read-only view for portfolio org page - [RJM] by @rachidatecs in #2515
• add another cert format and a cert folder to .gitignore by @Matt-Spence in #2509
• Link to new FSM diagram in developer README by @Matt-Spence in #2487

Full Changelog: staging-100...staging-101