feat: add support for zmk studio in ergodash

[DuMaM]

This PR adds support for ZMK Studio on Ergodash keyboard

PR check-list

• [x] Branch has a clean commit history
• [x] Additional tests are included, if changing behaviors/core code that is testable.
• [x] Proper Copyright + License headers added to applicable files (Generally, we stick to "The ZMK Contributors" for copyrights to help avoid churn when files get edited)
• [x] Pre-commit used to check formatting of files, commit messages, etc.
• [x] Includes any necessary documentation changes.

[DuMaM]

Thanks for review, i applied requested changes. Now everything works as expected

[DuMaM]

tested with this https://github.com/DuMaM/zmk-ergodash

[nmunnich]

I have this feeling that a position map is missing to map the thumbs from one layout to the next. Could you confirm?