Fix the Home link on 404 page

Author: Amin Bandali

404.md

@@ -8,6 +8,6 @@ permalink: /404.html
 Sorry, we can't seem to find this page's pixylls.
 
 <div class="mt3">
-  <a href="{{ site.baseurl }}" class="button button-blue button-big">Home</a>
+  <a href="{{ site.baseurl }}/" class="button button-blue button-big">Home</a>
   <a href="{{ site.baseurl }}/contact/" class="button button-blue button-big">Contact</a>
 </div>