aider: Put the date under the post title.

# Aider chat conversation:

USER: put the date under the post title

ASSISTANT: ```diff
--- blog/index.html
+++ blog/index.html
@@ ... @@
 <div class="posts">
   {% for post in site.posts %}
     <article class="post">
-      <p class="post-date">{{ post.date | date: "%b %-d, %Y" }}</p>
       <h1><a href="{{ site.baseurl }}{{ post.url }}">{{ post.title }}</a></h1>
+      <p class="post-date">{{ post.date | date: "%b %-d, %Y" }}</p>
       <div class="entry">
```

blog/index.html

@@ -7,7 +7,6 @@ layout: default
     <article class="post">
       <p class="post-date">{{ post.date | date: "%b %-d, %Y" }}</p>
 
-      <h1><a href="{{ site.baseurl }}{{ post.url }}">{{ post.title }}</a></h1>
 
       <div class="entry">
           {% if post.excerpt %}