Add atom/rss/json feeds

src/_includes/post.njk

@@ -5,16 +5,16 @@ includePrism: true
 <main class="wrapper-md stack-lg">
     <article class="stack-md h-entry">
         <h1 class="p-name"><a href="{{ url }}" class="u-url">{{ title | safe }}</a></h1>
-        <p class="published">Published: <time class="dt-published" datetime="{{ date | rfc3339 }}">{{ date | dateDisplay }}</time></p>
+        <p class="published">Published: <time class="dt-published" datetime="{{ date | dateToRfc3339 }}">{{ date | dateDisplay }}</time></p>
         <div class="e-content stack-md">
         {{ content | safe }}
         </div>
-        {% if post.tags | length %}
+        {% if tags | length %}
         <section>
             <h2>Tags:</h2>
             <ul role="list">
-                {% for tag in post.tags %}
-                    <li><a class="p-category" href="/post/tag/{{ tag.slug }}" rel="tag">#{{ tag.name }}</a></li>
+                {% for tag in tags %}
+                    <li><a class="p-category" href="/post/tag/{{ tag }}" rel="tag">#{{ tag }}</a></li>
                 {% endfor %}
             </ul>
         </section>