Update HTML to be more POSH

Changed containing div tag to a section tag.

layouts/partials/about.html

@@ -1,4 +1,4 @@
-<div class="panel my-2">
+<section class="panel my-2">
 	<h1 class="blog-post--title"><a href="/whoami/">About Me</a></h1>
     <div class="blog-post--body">
         <h2>Welcome to {{ .Site.Title }}</h2>
@@ -7,4 +7,4 @@
         <h2>Indie Web</h2>
         <p>I am huge supporter of the <a href="https://indieweb.org/" target="_blank">Indie Web</a> movement, and thus make use of a lot of the principals and features that drive it. I encourage anyone and everyone to participate, and help take back the internet from the monopolies who try to keep us subjugated.</p>
     </div>
-</div>
+</section>