More work on getting blog looking good

src/_includes/post.njk

@@ -5,4 +5,8 @@ layout: base.njk
 <article class="wrapper-lg stack-md">
     <h1><a href="{{ post.url }}">{{ title }}</a></h1>
     {{ content | safe }}
-</article>
+</article>
+
+<author class="wrapper-lg">
+    {% image metadata.author.avatar, "My face", "box circle", "150px", [150] %}
+</author>