www/py-django-rich: New port

This package provides Extensions for using Rich with the Django
framework.

These extensions consist of the following subclasses:

* django_rich.management.RichCommand:
  Subclass of Django’s BaseCommand class that sets its self.console to a
  Rich Console.

* django_rich.test.RichRunner:
  Subclass of Django's DiscoverRunner with colourized outputs and nice
  traceback rendering.

WWW: https://github.com/adamchainz/django-rich