Add tag listings

src/_includes/post.njk

@@ -12,6 +12,14 @@ eleventyComputed:
         <div class="e-content stack-md">
         {{ content | safe }}
         </div>
+        {% if post.tags | length %}
+        <ul role="list">
+            <h2>Tags:</h2>
+            {% for tag in post.tags %}
+                <li><a href="/post/tag/{{ tag.slug }}" rel="tag">#{{ tag.name }}</a></li>
+            {% endfor %}
+        </ul>
+        {% endif %}
     </article>
 
     <section class="stack-sm">