Add adrf as a third party package for Django REST framework

Author: maerteijn

docs/community/third-party-packages.md

@@ -124,7 +124,7 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 * [django-rest-framework-guardian2][django-rest-framework-guardian2] - Provides integration with django-guardian, including the `DjangoObjectPermissionsFilter` previously found in DRF.
 
 ### Misc
-
+* [adrf](https://github.com/em1208/adrf) - Async support for Django REST framework.
 * [cookiecutter-django-rest][cookiecutter-django-rest] - A cookiecutter template that takes care of the setup and configuration so you can focus on making your REST apis awesome.
 * [djangorestrelationalhyperlink][djangorestrelationalhyperlink] - A hyperlinked serializer that can can be used to alter relationships via hyperlinks, but otherwise like a hyperlink model serializer.
 * [django-rest-framework-proxy][django-rest-framework-proxy] - Proxy to redirect incoming request to another API server.