Add the author's avatar and support rounded corners.

assets/css/style.css

@@ -5,7 +5,7 @@
 }
 
 .site-author-image {
-  border-radius:0;
+  border-radius:50%;
 }
 
 .back-to-top {

layouts/partials/header.html

@@ -46,7 +46,7 @@
            
             <div class="site-overview-wrap sidebar-panel">
                 <div class="site-author site-overview-item animated" itemprop="author" itemscope itemtype="http://schema.org/Person">
-                    <img class="site-author-image" itemprop="image" alt="John Doe" src="/imgs/icons/apple-touch-icon-next.png">
+                    <img class="site-author-image" itemprop="image" alt="John Doe" src="/imgs/hugo-next-avator.png">
                     <p class="site-author-name" itemprop="name">{{ .Site.Params.author }}</p>
                     <div class="site-description" itemprop="description">{{ .Site.Params.description }}</div>
                 </div>