governance.o.o: add redirect for badges

Badges are published under /srv/static/tc, and links pointing to
http://governance.openstack.org/badges were created everywhere.
In order to avoid breaking those links when we switch the docroot,
create an additional redirect for the /badges/ subdirectory.

Change-Id: Id2eb469cd1be16da04e73a752aa586a58330499c

modules/openstack_project/manifests/static.pp

@@ -273,6 +273,7 @@ class openstack_project::static (
   }
   # Extra redirects needed for vhost template:
   $governance_redirects = {
+    '/badges/'      => '/tc/badges/',
     '/goals/'       => '/tc/goals/',
     '/reference/'   => '/tc/reference/',
     '/resolutions/' => '/tc/resolutions/',