District42

- Add visit method for custom types [16](https://github.com/d42-schemas/district42/pull/16)

- Add `rollout()` func [13](https://github.com/d42-schemas/district42/pull/13)
- Add `schema.datetime` type [12](https://github.com/d42-schemas/district42/pull/12)
- Add `schema.uuid4` type [11](https://github.com/d42-schemas/district42/pull/11)
- Make `schema.dict` iterable [10](https://github.com/d42-schemas/district42/pull/10)
- Make `schema.any` iterable [9](https://github.com/d42-schemas/district42/pull/9)
- Add `schema.float.precision` [5](https://github.com/d42-schemas/district42/pull/5)

- Add `make_required()` [8](https://github.com/d42-schemas/district42/pull/8)
- Add Python 3.11 support [6](https://github.com/d42-schemas/district42/pull/6)