GH-12: Add Django version classifiers

Author: ArtyomVancyan

README.md

@@ -3,8 +3,8 @@
 Django app for forbidding access to some countries.
 
 [![PyPI](https://img.shields.io/pypi/v/django-forbid.svg)](https://pypi.org/project/django-forbid/)
-[![Django](https://img.shields.io/badge/django-%3E%3D2.1-blue.svg)](https://pypi.org/project/django-forbid/)
-[![Python](https://img.shields.io/pypi/pyversions/django-forbid.svg)](https://pypi.org/project/django-forbid/)
+[![Python](https://img.shields.io/pypi/pyversions/django-forbid.svg?logoColor=white)](https://pypi.org/project/django-forbid/)
+[![Django](https://img.shields.io/pypi/djversions/django-forbid.svg?color=0C4B33&label=django)](https://pypi.org/project/django-forbid/)
 [![License](https://img.shields.io/pypi/l/django-forbid.svg)](https://github.com/pysnippet/django-forbid/blob/master/LICENSE)
 [![Tests](https://github.com/pysnippet/django-forbid/actions/workflows/tests.yml/badge.svg)](https://github.com/pysnippet/django-forbid/actions/workflows/tests.yml)
 

setup.cfg

@@ -16,8 +16,15 @@ license = MIT
 license_file = LICENSE
 platforms = unix, linux, osx, win32
 classifiers =
-    Framework :: Django
     Operating System :: OS Independent
+    Framework :: Django
+    Framework :: Django :: 2.1
+    Framework :: Django :: 2.2
+    Framework :: Django :: 3.1
+    Framework :: Django :: 3.2
+    Framework :: Django :: 4.0
+    Framework :: Django :: 4.1
+    Programming Language :: Python
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7