adiciona o buscador e cria views e templates para ele

diários_oficiais_alems/contrib/sites/migrations/0003_set_site_domain_and_name.py

@@ -3,6 +3,7 @@ To understand why this file is here, please read:
 
 https://cookiecutter-django.readthedocs.io/en/latest/5-help/faq.html#why-is-there-a-django-contrib-sites-directory-in-cookiecutter-django
 """
+
 from django.conf import settings
 from django.db import migrations