fix(overlays): overlay interfaces are now exported from framework packages and documented

[liamdebeasi]

Pull request checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)
• Build (npm run build) was run locally and any changes were pushed
• Lint (npm run lint) has passed locally and any fixes were made for failures

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

Issue Number: resolves #22790

What is the new behavior?

• Interfaces used with overlay components are now exported by Angular, React, and Vue packages (previously only Core exported them)
• Updated the docs for each respective component to document the interfaces and the values to help increase awareness of the types.

Does this introduce a breaking change?

• Yes
• No

Other information

[willmartian]

Great work! 🥇