Changelog

• Merged a PR by @uttarayan21 that adds support for configuring macchina
  through a dotfile.
• The same PR also adds support for using custom themes that allow you
  to customize macchina the way you like instead of using the built-in themes
  we provide.
• Added the ability to list available and custom themes through --list-themes flag
• Merged a PR by @uttarayan21 that adds more targets for our CI checks and releases