www/py-dj40-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 colorized outputs and nice traceback rendering.