Add Types for TypeScript

[stramel]

I would love if you could publish some TypeScript types either in this package or through the DefinitelyTyped system.

[nodkz]

Feel free to send Pull Request.
Thanks!

[nodkz]

🎉 This issue has been resolved in version 1.4.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀