Export activity guests

apps/activity/templates/activity/activity_detail.html

@@ -37,6 +37,11 @@ SPDX-License-Identifier: GPL-3.0-or-later
     <div id="guests_table">
         {% render_table guests %}
     </div>
+    <div class="card-footer text-center">
+        <button class="btn btn-block btn-primary mb-3" onclick="window.location.href='?_export=1&table=guests'">
+            {% trans "Export to CSV" %}
+        </button>
+    </div>
 </div>
 {% endif %}
 {% endblock %}