Add page stub for admin promotion management
What does this MR do and why?
Adds a page stub for Promotion Management tab, next to instance users management (http://localhost:3000/admin/users).
This is a blank page now, a .vue app will be added and mounted on this page in !142423.
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Screenshots or screen recordings
| Before | After |
|---|---|
 |
 |
How to set up and validate locally
- Enable Setting
setting = ApplicationSetting.first; setting.enable_member_promotion_management=true; setting.save! - Enable FF
Feature.enable(:member_promotion_management) - Purchase Ultimate License, and simulate Ultimate SM setup
- Visit Admin/Users page, ensure the "Role promotions" tab is present
Related to #433177
Edited by Kos Palchyk