Django 4.0 support (#3)

* Django 4.0 support

django.conf.urls.url has been removed in favour of djang.urls.path
https://github.com/django/django/blob/3.2.10/django/conf/urls/__init__.py#L16

django.utils.http.is_safe_url has been removed in favour of django.utils.http.url_has_allowed_host_and_scheme
https://github.com/django/django/blob/3.2.10/django/utils/http.py#L330

* Update README.md and setup.py

Co-authored-by: Michael Van Delft <[email protected]>

Merge pull request #2 from Lotterywest/remove-dependency-django-rest-…

…auth

Remove dependency of Django Rest Auth

flake8

auto versioning system

remove versioning in the setup

wait for linting to occur

further flake8 action

further readme translation and simplification

fixed is_safe_url in django 2.1