Update metadata for Ansible galaxy support

Change-Id: I8abdd03760c6632f0eaf7cae473e3c063441cf26
diff --git a/meta/main.yml b/meta/main.yml
index 477b1d1..c58f172 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -5,6 +5,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 galaxy_info:
+  role_name: strongswan
   author: Open Networking Foundation
   description: strongSwan IPSec VPN
   company: Open Networking Foundation