[ONOS-5989] YANG based L3VPN: Provide the skeleton structure with L3SM model

Change-Id: Ib72b92cef6b3f62f35eef6e10a811308f7b43b3f
diff --git a/apps/l3vpn/BUCK b/apps/l3vpn/BUCK
new file mode 100644
index 0000000..1c6d6ef
--- /dev/null
+++ b/apps/l3vpn/BUCK
@@ -0,0 +1,19 @@
+APPS = [
+  'org.onosproject.yang',
+]
+
+BUNDLES = [
+  '//apps/l3vpn/netl3vpn:onos-apps-l3vpn-netl3vpn',
+  '//apps/l3vpn/yangmodel:onos-apps-l3vpn-yangmodel',
+]
+
+onos_app(
+  app_name = 'org.onosproject.l3vpn',
+  title = 'YANG L3VPN App',
+  category = 'L3VPN APP',
+  url = 'http://onosproject.org',
+  included_bundles = BUNDLES,
+  description = 'L3VPN YANG Application',
+  required_apps = APPS,
+)
+