add abrechnen button to location detail

billard/templates/billard/location_detail.html

@@ -11,6 +11,14 @@
     <div id="desk_data" class="row">
         {% include 'billard/location_detail_ajax.html' %}
     </div>
+    <div class="row">
+        <div class="col">
+            {% if perms.billard.change_accounting %}
+                <a href="{% url 'billard:accounting_detail' location.id %}"
+                   class="btn btn-outline-danger btn-sm">Abrechnen</a>
+            {% endif %}
+        </div>
+    </div>
     <div id="modal-wrapper">
     </div>
 {% endblock %}