feat: Add Raycast app (#67)

- add raycast using brew cask

## Summary by Sourcery

New Features:
- Add Raycast app installation using Homebrew Cask.

apps.toml

@@ -75,6 +75,7 @@ google-drive = "cask" # Client for the Google Drive storage service
 iina = "cask" # Free and open-source media player [modern vlc alternative]
 istat-menus = "cask" # System monitoring app
 notunes = "cask" # Simple application that will prevent iTunes or Apple Music from launching
+raycast = "cask" # Control your tools with a few keystrokes
 rocket = "cask" # Emoji picker optimised for blind people
 the-unarchiver = "cask" # Unpacks archive files
 transmission = "cask" # Open-source BitTorrent client