Explore alternative documentation for BottomSheet Header component.

[dcalhoun]

Description

Attempt to increase focus of documentation via:

• Reduce size of example.
• Remove empty sections.
• Use declarative statements.
• Mimic existing documentation, e.g. BottomSheet Navigation.

How has this been tested?

Viewed rendering on GitHub.

Screenshots

n/a

Types of changes

Documentation

Checklist:

• My code is tested.
• My code follows the WordPress code style.
• My code follows the accessibility standards.
• I've tested my changes with keyboard and screen readers.
• My code has proper inline documentation.
• I've included developer documentation if appropriate.
• I've updated all React Native files affected by any refactorings/renamings in this PR (please manually search all *.native.js files for terms that need renaming or removal).

[enejb]

I like the new documentation.
I think is nice and direct. Thanks.

[enejb]

Thanks for the changes. Merge away!