update debriefing show entity view

templates/admin/debriefing/_show.html.twig

@@ -11,6 +11,8 @@
 
                 {% for item in entity.projects %}
                     {{ item.label }}<br>
+                {% else %}
+                    -
                 {% endfor %}
             </li>
             <li class="list-group-item">
@@ -23,6 +25,17 @@
 
                 {{ entity.externalContributors|nl2br }}
             </li>
+            <li class="list-group-item">
+                <span class="font-weight-bold pb-2 d-block">Fichiers</span>
+
+                {% for item in entity.files %}
+                    <a class="btn btn-light border btn-sm mb-2 d-block" href="{{ asset(item.file) }}">
+                        {{ item.name }}
+                    </a>
+                {% else %}
+                    -
+                {% endfor %}
+            </li>
         </ul>
     </div>
     <div class="col-md-9 p-3">