message: Add Mac OS Homebrew installation method
diff: @@ -150,6 +150,14 @@ Install the `gittyup` package from the Arch User Repository.
  Or use an AUR helper.
  Install `gittyup-git` for the VCS build.
  +### Mac OS
  +
  +**Homebrew**
  +
  +Install the `gittyup` cask from [Homebrew](https://brew.sh/).
  +
  + brew install gittyup
  +
  ### Flatpak from terminal
  If you want a more pure console use, this script run flatpak version disowning the process and silence the output pushing it to /dev/null.
  