Add Review Stages Setting

[tomatoprinx]

Types of changes

• [ ] Bugfix
• [x] New feature
• [ ] Refactoring
• [ ] Breaking change (any change that would cause existing functionality to not work as expected)
• [ ] Documentation Update
• [ ] Other (please describe)

Description

• Initialize setting review / proposal stage page
• Created new branch from current master branch and cherrypicked from #782

Steps to Test This Pull Request

Steps to reproduce the behavior:

1. Login with admin account
2. Go to 'Review Stages' page
3. Click hotkeys in the 'Set Review Stage' section
4. Submit

Expected behavior

• [ ] Only admin can see this page.
• [x] Review stages hotkeys corresponding to Proposal Review System Documentation.
• [x] Submit and update the setting to dj-registry.
• [x] Rendering current stage settings to the frontend.

Related Issue

#782

More Information