Make global callback hook type available

[Tinoooo]

Description

As a developer of TresJS I want to have the type of the global callback hook (window.parent.parent.__TRES__DEVTOOLS__.cb), so I can use it in core and make it more type safe.

Suggested solution

Expose the type.

Alternative

No response

Additional context

No response

Validations

• [x] I agree to follow this project's Code of Conduct
• [x] Read the Contributing Guidelines.
• [x] Read the docs.
• [x] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.