Generate example for Enum type based on json doc

[miszczu-drako]

All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Have you written unit tests?
• Have you written unit tests that cover the negative cases (i.e.: if bad data is submitted, does the library respond properly)?
• This PR is associated with an existing issue?

Closing issues

closes #1603

[github-actions]

Hello there miszczu-drako 👋

Thank you and congrats 🎉 for opening your first PR on this project.✨

We will review the following PR soon! 👀