Add back social media links

Author: RSTZZZ

_includes/display-author.html

@@ -10,8 +10,9 @@
 
     <div class="author-info">
         <b class="author-name">
-            {% if author.links %}
-            <a href="{{ author.links[0].url }}" aria-label="Access the primary external link of this author">{{
+            {% if author.social_media_links %}
+            <a href="{{ author.social_media_links[0].url }}"
+                aria-label="Access the primary external link of this author">{{
                 author.name }}</a>
             {% else %}
             {{ author.name }}
@@ -63,9 +64,9 @@
         </div>
         {% endunless %}
 
-        {% if author.links %}
+        {% if author.social_media_links %}
         <div class="author-links">
-            {% for link in author.links %}
+            {% for link in author.social_media_links %}
             {% include infer-icon.html link=link %}
             {% if icon %}
             <a href="{{ link.url }}" class="{{ icon }} author-button"