Xvideos-api

- async support

- switched to httpx
- removed lxml and requests from dependencies

Changelog
- removed json5 requirement
- fixed tests
- added VideoUnavailable exception
- code refactoring and type hinting
- updated to eaf_base_api v2

- Fixed a potential issue with model videos iterating, where the last page was missed

> Thanks to [ZoinkCN](https://github.com/ZoinkCN) for the fix : )

1,4,1
Changelog

- keeping up with new eaf_base_api requirements

- implemented the Pornstar object

- code optimization
- added embed url to video objects
- added legacy downloading for low quality videos