The edge-computing discussion list is not OpenStack-specific. It was
originally included on the lists.openstack.org site when we didn't
yet have a more neutral list hosting location. While we're in the
process of moving other non-OpenStack mailing lists off the
lists.openstack.org site, rehome this one to lists.opendev.org by
setting up address forwarding and Web redirects, and moving the
existing mailman list entry for it in our configuration.
Note that this should be a no-op when it merges, as the list move
will be handled manually while deployment is temporarily disabled
for the server.
Change-Id: If5207f0237bee1571924855b769a22d653964af7