Add note about ticket sales

Author: russss

templates/home/before-sales.html

@@ -17,7 +17,7 @@
     </p>
     <div class="well">
       <p>
-        If you're interested in updates about EMF {{ event_start.year }}, follow
+        Tickets will go on sale in early 2026. To keep informed, follow
         us on <a href="https://social.emfcamp.org/@emf">the Fediverse</a> or join our
         mailing list:
       </p>