Add django-modern-rest hidden gem

https://github.com/vinta/awesome-python/blob/master/CONTRIBUTING.md#3-hidden-gem

Author: sobolevn

README.md

@@ -239,6 +239,7 @@ _Traditional full stack web frameworks. Also see [Web APIs](#web-apis)._
 _Libraries for building RESTful and GraphQL APIs._
 
 - Django
+  - [django-modern-rest](https://github.com/wemake-services/django-modern-rest) - Modern REST with speed, types, async, `msgspec`, `pydantic` and other goodies!
   - [django-ninja](https://github.com/vitalik/django-ninja) - Fast, Django REST framework based on type hints and Pydantic.
   - [django-rest-framework](https://github.com/encode/django-rest-framework) - A powerful and flexible toolkit to build web APIs.
   - [strawberry-django](https://github.com/strawberry-graphql/strawberry-django) - Strawberry GraphQL integration with Django.