lxd/config/default: Add images to DefaultRemotes

Same as the other ubuntu remotes.

Signed-off-by: Thomas Parrott <thomas.parrott@canonical.com>
(cherry picked from commit 9eabc9c)
Signed-off-by: Simon Deziel <simon.deziel@canonical.com>

lxc/config/default.go

@@ -41,6 +41,7 @@ var StaticRemotes = map[string]Remote{
 // DefaultRemotes is the list of default remotes
 var DefaultRemotes = map[string]Remote{
 	"local":        LocalRemote,
+	"images":       ImagesRemote,
 	"ubuntu":       UbuntuRemote,
 	"ubuntu-daily": UbuntuDailyRemote,
 }