Add next/previous post

post.hbs

@@ -44,9 +44,33 @@
     <div>
       {{content}}
     </div>
+</main>
+<div class="container md:w-4/5 lg:w-4/6 md:mx-auto px-6 my-6">
     <div class="my-4" id="comments">
     </div>
-</main>
+    <div class="my-4 flex flex-row justify-between">
+      {{#prev_post}}
+      <div class="w-1/3">
+      <a href="{{url}}">
+      <div class="flex flex-col items-end">
+        <p class="text-xl text-blue-500">Previous post</p>
+        <p>{{title}}</p>
+      </div>
+      </a>
+      </div>
+      {{/prev_post}}
+      {{#next_post}}
+      <div class="w-1/3">
+      <a href="{{url}}">
+      <div class="flex flex-col items-begin">
+        <p class="text-xl text-blue-500">Next post</p>
+        <p>{{title}}</p>
+      </div>
+      </a>
+      </div>
+      {{/next_post}}
+    </div>
+</div>
 {{/post}}
 </article>