Wagtail-qrcode

- [Support Wagtail 4](https://github.com/nickmoreton/wagtail-qrcode/pull/24)

- [Change admin form and misc. improvements](https://github.com/nickmoreton/wagtail-qrcode/pull/23)

- [Add more options around emailing EPS](https://github.com/nickmoreton/wagtail-qrcode/pull/19)
- [Improve documentation](https://github.com/nickmoreton/wagtail-qrcode/pull/18)

Correct version

Allow python >=3.7

Initial release