- Improve feature flag callouts
- Add API details to migration notes and clarify examples
- Restructure guides to use sub-heading structure instead of snippet tabs
- Offers ability to explain differences between APIs more thoroughly
- Also a better experience, because users' tab preference will not apply across snippets
- Clarify example snippets
- Only demonstate one concept per snippet
- Adjust heading levels
- Add globals API reference section
- Improve snippet filenames
- Remove redundant `storybook-` prefix
- Prose tweaks
