Add support for a homebrew formula

[remyleone]

Checks

• I have searched the existing issues.

Motivation

I would like to try deploykf using a binary install that is directly on my laptop.

Implementation

I think go releaser supports having new homebrew formulas https://docs.brew.sh/Formula-Cookbook

Are you willing & able to help?

• I am able to submit a PR!
• I can help test the feature!

[thesuperzapper]

@remyleone this would be great, is this something you could help contribute?