Django-xprez

* generate forgotten css

* require django>=3.1
* fix migrations problem
* video autoplay fix (for some browsers)
* new vimeo api
* media cleanup

**Full Changelog**: https://github.com/s-cape/django_xprez/compare/v0.1.3...v0.2.0

What's Changed
* fix text-image module mobile padding setting
* fix CK editor floating images
* init - prevent cyclic import
* reformated code with Black

**Full Changelog**: https://github.com/s-cape/django_xprez/compare/v0.1.2...v0.1.3

- fix sortable
- gallery thumbnail naming

- minor bugfixes
- fix gridbox dependency on medium_editor

ck_editor release