add link to a shared packlisten etc. folder

jdav_web/templates/admin/base.html

@@ -33,9 +33,7 @@
                 <strong>{% firstof user.get_short_name user.get_username %}</strong>.
             {% endblock %}
             {% block userlinks %}
-                {% if site_url %}
-                    <a href="{{ site_url }}">{% trans 'View site' %}</a> /
-                {% endif %}
+                <a href="https://cloud.jdav-ludwigsburg.de/index.php/s/5xzZH5wHiqKeC2P">Packlisten etc.</a> /
                 {% if user.is_active and user.is_staff %}
                     {% url 'django-admindocs-docroot' as docsroot %}
                     {% if docsroot %}