fix: make sure we get an author before rendering

src/_includes/now.liquid

@@ -124,7 +124,8 @@ layout: main
         {% for article in articles | reverse %}
           <li class="mt-1.5 mb-2">
             <a href="{{article.content.url}}" title="{{article.content.title | escape}}">
-              {{ article.content.title | escape }} by {{ article.content.author.name | escape }}
+              {{ article.content.title | escape }}{% if article.content.author.name %}
+                by {{ article.content.author.name | escape }}{% endif %}
             </a>
           </li>
         {% endfor %}