Add close admin link

coin/templates/admin/base_site.html

@@ -13,4 +13,9 @@
 <h1 id="site-name">Administration de COIN</h1>
 {% endblock %}
 
+{% block userlinks %}
+    {{ block.super }}
+    / <a href="{% url 'home' %}">Fermer admin</a>    
+{% endblock %}
+
 {% block nav-global %}{% endblock %}