settings_ui: Add prototype for settings controls (#15090)

This PR adds a prototype for controlling settings via the settings UI.

Still staff-shipped.

Release Notes:

- N/A

Marshall Bowers committed 2y ago

d540c95c81992ce719ae7bafb272f802683a590b

Parent: f7d6818

Committed by GitHub <noreply@github.com> on 7/24/2024, 2:36:27 PM