Use jamstack.org domain for email

Author: Phil Hawksworth

src/site/community.njk

@@ -95,6 +95,6 @@ layout: layouts/base.njk
   <p class="mb-4 w-3/4">
     Don’t see a group near you? We love to support new user group leaders and help grow the community. We can connect you with other user group leaders to share content ideas, provide stickers and swag, and get you listed on the user group page.
   </p>
-  <a href="mailto:community@netlify.com" class="cta">Contact Us</a>
+  <a href="mailto:community@jamstack.org" class="cta">Contact Us</a>
 </section>