change conf link

Author: lynnandtonic

src/site/index.njk

@@ -43,7 +43,7 @@ layout: layouts/base.njk
       Join 20,000+ web developers for two days dedicated to building modern web projects.
     </p>
     <p class="mb-5">
-      <a href="https://jamstackconf.com" class="cta">Attend Jamstack Conf</a>
+      <a href="/conf/" class="cta">Attend Jamstack Conf</a>
     </p>
   </div>
 </section>