Pyfactories

Changed

- Updated pydantic to use pydantic 2.0. This is the initial release before proceeding with
the full refactoring.

* Initial release of the fork from [Pydantic Factories][pydantic_factories].
* Documentation updated.


[tarsil]: https://github.com/tarsil
[pydantic_factories]: https://github.com/litestar-org/pydantic-factories
[polyfactory]: https://pypi.org/project/polyfactory/