Add edge-computing mailing list

This new mailing list, for discussions related to the edge-computing
focus area, has been requested by Claire Massey on behalf of the
OpenStack Foundation.

Change-Id: Ifdbe5761697a75c17fb38c8a103c426b2afdd7fd

modules/openstack_project/manifests/lists.pp

@@ -406,4 +406,13 @@ class openstack_project::lists(
     webserver   => $listdomain,
     mailserver  => $listdomain,
   }
+
+  maillist { 'edge-computing':
+    ensure      => present,
+    admin       => 'claire@openstack.org',
+    password    => $listpassword,
+    description => 'Organizing efforts around the edge-computing focus area.',
+    webserver   => $listdomain,
+    mailserver  => $listdomain,
+  }
 }