Add color and typography support for the file block.

[juanfra]

Description

• Adding color and typography support to the file block.
• Closes File Block: Add background/text color support #18989

How has this been tested?

• Added the file block, changed colors and typography. Saved and viewed in the front end.

Screenshots

Types of changes

• Modifying the block.json for the file block, adding support for color and typography.

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).

[Mamaduka]

Hello, @juanfra

I think it might be better to limit this PR only to background/color support.

There're some discussions about typography support for blocks. We probably add support for those separately once the final decision is made.

Thanks

[juanfra]

stale