direct_to_template docs do not mention mimetype
|Reported by:||Owned by:||Jacob|
|Cc:||Triage Stage:||Ready for checkin|
|Has patch:||yes||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
mimetype was added to django.views.generic.simple.direct_to_template in #4983, but the docs have not been updated to reflect this.