Add favicon to admin

blog/templates/admin/base_site.html

@@ -0,0 +1,13 @@
+{% extends "admin/base.html" %}
+
+{% block title %}{{ title }} | {{ site_title|default:_('Django site admin') }}{% endblock %}
+
+{% block branding %}
+<h1 id="site-name"><a href="{% url 'admin:index' %}">{{ site_header|default:_('Django administration') }}</a></h1>
+{% endblock %}
+
+{% block extrahead %}
+    {% include "articles/snippets/favicon.html" %}
+{% endblock %}
+
+{% block nav-global %}{% endblock %}