Added author icon in post metadata

Signed-off-by: Jim Martens <github@2martens.de>

_layouts/post.html

@@ -5,15 +5,17 @@ layout: default
 
     <header class="post-header">
         <h1 class="post-title" itemprop="name headline">{{ page.title }}</h1>
-        <p class="small text-muted">
+        <div class="small text-muted">
             <span class="far fa-calendar-alt"></span>
             <time datetime="{{ page.date | date_to_xmlschema }}" itemprop="datePublished">
                 {{ page.date | date: "%b %-d, %Y" }}
             </time>
-            {% if page.author %} • <span itemprop="author" itemscope itemtype="http://schema.org/Person">
-            <span itemprop="name">{{ page.author }}</span></span>{% endif %}
+            {% if page.author %} • <span class="far fa-user"></span>
+                <span itemprop="author" itemscope itemtype="http://schema.org/Person">
+                <span itemprop="name">{{ page.author }}</span>
+            </span>{% endif %}
             • {% include reading-time.html content=content %}
-        </p>
+        </div>
     </header>
 
     <div class="text-justify" itemprop="articleBody">