#88 #89 : use pytest + reorganise settings (#92)

- !88 pytest on existing tests
- !89 reorganise settings (! see notes for deployment)

Co-authored-by: bkfox <thomas bkfox net>
Reviewed-on: rc/aircox#92

requirements_tests.txt

@@ -0,0 +1,2 @@
+pytest~=7.2
+pytest-django~=4.5