feat: Homebrew Cask distribution

[jatinkrmalik]

Publish VocaMac as a Homebrew Cask for easy installation:

brew install --cask vocamac

Requires:

• Proper code signing and notarization first
• DMG or ZIP hosted on GitHub Releases
• Homebrew Cask formula submission

[jatinkrmalik]

VocaMac is now available via Homebrew Cask! 🎉

You can install it with:

brew install --cask vocamac

Closing this as resolved.