Adaptive UI: add layer recipes and design tokens

[bheston]

Pull Request

📖 Description

A slight refactoring of the previous neutralLayer recipes and tokens to be more general purpose.

Now supports both a "Fixed" set of recipes following the previous neutralLayer, etc. usage and an "Interactive" recipe following the neutralFillLayer tokens.

✅ Checklist

General

• [x] I have included a change request file using $ yarn change
• [ ] I have added tests for my changes.
• [ ] I have tested my changes.
• [ ] I have updated the project documentation to reflect my changes.
• [x] I have read the CONTRIBUTING documentation and followed the standards for this project.