In async/await part of documentation, link to Django APIs

[itamarst]

https://docs.djangoproject.com/en/3.2/topics/async/

[itamarst]

https://gist.github.com/graingert/306af28f3c1038cf24342be5a69dcd02#file-main-py-L77-L79 is example.

When using Daphne, that won't work, but can use Crochet with no_setup() probably?