Considered adding a config wrapper, such that the toolbar buttons can be configured via Django settings?

Django-code-mirror has an implementation like this which is quite handy as an example: https://github.com/pavelsof/django-mirror/blob/master/django_mirror/widgets.py

I'm just starting to get my head around trix. But I see some basic customizations noted here: https://matthaliski.com/blog/customizing-the-trix-toolbar