Close #3096 with addition of Artstation, with code from @itsdombo

Author: rjzupkoii

_config.yml

@@ -51,6 +51,7 @@ author:
   stackoverflow    : # User number or user number and name (i.e., use "1" or "1/jeff-atwood")    
 
   # Social media
+  artstation       : # Username
   bluesky          : "bsky.app" # Replace this with you Bluesky username
   facebook         : # Username
   flickr           : # Username

_includes/author-profile.html

@@ -87,6 +87,9 @@ <h3 class="author__name">{{ author.name }}</h3>
       {% endif %}      
 
       <!-- Font Awesome icons / Social media -->
+      {% if author.artstation %}
+        <li><a href="https://www.artstation.com/{{ author.artstation }}"><i class="fab fa-fw fa-artstation icon-pad-right" aria-hidden="true"></i>Artstation</a></li>
+      {% endif %}        
       {% if author.bluesky %}
         <li><a href="https://bsky.app/profile/{{ author.bluesky }}"><i class="fab fa-fw fa-bluesky icon-pad-right" aria-hidden="true"></i>Bluesky</a></li>
       {% endif %}