fix: correct filter

src/_layouts/article.njk

@@ -8,9 +8,9 @@ templateClass: tmpl-post
 </aside>
 {%- endif %}
 <div class="main-content">
-  <h1>{{ title }}</h1>
-
-  <div class="post-metadata">
+  <h1>  {% if draft %} Brouillon - {%- endif %} {{ title }}</h1>
+  <div
+    class="post-metadata">
     <div class="post-metadata__header">
       Le <time datetime="{{ page.date | htmlDateString }}">{{ page.date | readableDate }}</time> {{ authors | readableAuthors }}
     </div>