add footer

web/themes/custom/popsu_colloque/template/fields/file-link.html.twig

@@ -0,0 +1,20 @@
+{#
+/**
+ * @file
+ * Default theme implementation for a link to a file.
+ *
+ * Available variables:
+ * - attributes: The HTML attributes for the containing element.
+ * - link: A link to the file.
+ * - file_size: The size of the file.
+ *
+ * @see template_preprocess_file_link()
+ *
+ * @ingroup themeable
+ */
+#}
+{% if file_size %}
+  <a target="_blank" href="{{link['#title']}}">
+    <img src="{{link['#url']}}" alt="">
+  </a>
+{% endif %}