Add a missing include to before-related.html

_layouts/single.html

@@ -82,6 +82,7 @@ layout: default
   {% comment %}<!-- otherwise show recent posts if no related when `related: true` -->{% endcomment %}
   {% elsif page.id and page.related %}
     <div class="page__related">
+      {% include before-related.html %}
       <h2 class="page__related-title">{{ site.data.ui-text[site.locale].related_label | default: "You May Also Enjoy" }}</h2>
       <div class="grid__wrapper">
         {% for post in site.posts limit:4 %}