* extend testing matrix to Python-3.10 with Django-3.2

* make user and group autocomplete fields

* Bump to version 2.1.2

* deactive python-3.10 for now

* filter tox by gh-actions

* set SECRET_KEY for testing

* fix JS style checking complains

* try quoting Python-3.10

* move SECRET_KEY into HELPER_SETTINGS

* Remove Python-3.10 from matrix; lxml2 don’t work

Co-authored-by: Jacob Rief <jacob.rief@uibk.ac.at>