Merge pull request #1673 from MHM5000/add_django_4_0

add django 4.0

lib/docs/scrapers/django.rb

@@ -34,6 +34,11 @@ module Docs
       Licensed under the BSD License.
     HTML
 
+    version '4.0' do
+      self.release = '4.0'
+      self.base_url = 'https://docs.djangoproject.com/en/4.0/'
+    end
+
     version '3.2' do
       self.release = '3.2'
       self.base_url = 'https://docs.djangoproject.com/en/3.2/'