Record login for users

templates/posts/page.html

@@ -3,8 +3,8 @@
 {% block content %}
     <div class="max-w-3xl mx-auto">
         <article>
-            <header class="mb-4">
-                <h1 class="text-4xl font-bold text-gray-900 mb-4 leading-tight">{{ post.title }}</h1>
+            <header class="mb-4 space-y-4">
+                <h1 class="text-4xl font-bold text-gray-900 leading-tight">{{ post.title }}</h1>
                 <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between text-sm text-gray-600">
                     <div class="flex items-center space-x-4">
                         <div class="flex items-center">
@@ -46,6 +46,9 @@
                         </div>
                     {% endif %}
                 </div>
+                {% if let Some(modified) = post.last_modified %}
+                    <span class="text-sm italic text-gray-500">Last modified on {{ modified.format("%B %d, %Y") }}, at {{ modified.format("%H:%M") }}</span>
+                {% endif %}
             </header>
             {% if session_user_id.as_ref() == Some(post.author_id) %}
                 <div id="edit-form"