fix FA references, these will all be replaced later to remove the dependency...

_includes/sidebar.html

@@ -10,22 +10,22 @@
     <ul compact id="navLinks" class="fa-ul">
         <li>
             <a href="https://github.com/drewcassidy">
-                <i class="fa fa-li fa-github" aria-hidden="true"></i>Github
+                <i class="fab fa-li fa-github" aria-hidden="true"></i>Github
             </a>
         </li>
          <li>
             <a rel="me" href="https://cybre.space/@cinebox">
-                <i class="fa fa-li fa-mastodon" aria-hidden="true"></i> Mastodon
+                <i class="fab fa-li fa-mastodon" aria-hidden="true"></i> Mastodon
             </a>
         </li>
         <li>
             <a href="https://twitter.com/AndrewNCassidy">
-                <i class="fa fa-li fa-twitter" aria-hidden="true"></i> Twitter
+                <i class="fab fa-li fa-twitter" aria-hidden="true"></i> Twitter
             </a>
         </li>
         <li>
             <a href="https://github.com/drewcassidy/drewcassidy.github.io">
-                <i class="fa fa-li fa-code" aria-hidden="true"></i> This Site
+                <i class="fas fa-li fa-code" aria-hidden="true"></i> This Site
             </a>
         </li>
     </ul>