Add HS binding to set mac studio display brightness to 0%

[drn]

[copilot-swe-agent]

@drn I hit the following errors while trying to work on issue #119.

• A branch named copilot already exists. To learn how to delete a branch, head to the GitHub Docs.

After resolving these issues, you can ask me to try again by unassigning and then reassigning the issue to me again.