Django-dynaconf

1. Default configuration value

- Added support for Python 3.10, 3.11 and Django 4.1, 4.2
- Added configuration grouping

Renamed the namespace from `dynaconf` to `django_dynaconf` to avoid conflicts with `[dynaconf](https://www.dynaconf.com/)`.

Django-Dynaconf
Add/Update configuration from Django admin and use that without running database query every time.