* Fix waring from BSModalDeleteView / DeleteMessageMixin with Django 4

* fix when form has field named method

* add new mixin for FormValidation, remove  SuccessMessageMixin dependecy

* Updated project to current Django LTS version

Updated deprecated "is_safe_url" function to "url_has_allowed_host_and_scheme".
Added automatically database population, if DB is empty.
Updated requirements to current version.
Updated settings.
Removed outdated version support.
Updated gitignore.

* Minor refactoring

* Updated Project

Added type hints.
Updated test cases.
Removed last remaining snippets for outdated Django versions.

* Removed unused constant

* Updated required version

* Minor Bugfix

Removed __slots__ from dataclass, to match Python 3.8 support.

* refactor save method in CreateUpdateAjaxMixin

* remove compatibility.py

* remove utils.py

* remove types

* add is_ajax method and remove imports

* remove unneeded class inheritence

* remove obsolete class name parameter

* revert examples to version in master branch

* remove static folder

* remove types from tests

* remove unneeded comments

* update get and set for form action and method attributes

* update bootstrap5.modal.forms.min.js

* update assert string to pass the test

* update DeleteMessageMixin comment

* cleanup .gitignore

---------

Co-authored-by: Christian Wiegand <christianwgd@users.noreply.github.com>
Co-authored-by: Mark Monaghan <markmono@gmail.com>
Co-authored-by: aDramaQueen <richard.saeuberlich@o2online.de>

Bumps [django](https://github.com/django/django) from 3.2 to 3.2.18.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@3.2...3.2.18)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>