Modified link to sign up for mailinig list

Author: jimmytipit

themes/openstack/templates/Layout/EdgeComputingPage.ss

@@ -399,7 +399,7 @@
             <div class="row">
                 <div class="col-sm-10 col-sm-push-1">
                     <h2>Interested in learning more about Edge Computing?</h2>
-                    <a href="mailto:events@openstack.org" class="edge-interest-btn">
+                    <a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/edge-computing" class="edge-interest-btn" target="_blank">
                         Sign Up Here
                         <i class="fa fa-chevron-right" aria-hidden="true"></i>
                     </a>