Add licenses for ONAP contributions from Nordix

Change-Id: Icc704250e23392e6ef146ad33fb4d0ea99d62daf
Signed-off-by: liamfallon <liam.fallon@est.tech>
diff --git a/licenses/adoc-license.txt b/licenses/adoc-license.txt
new file mode 100644
index 0000000..3ae9081
--- /dev/null
+++ b/licenses/adoc-license.txt
@@ -0,0 +1,10 @@
+//
+// ============LICENSE_START=======================================================
+//  Copyright (C) 20XX-20YY Nordix Foundation.
+// ================================================================================
+// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+//
+// SPDX-License-Identifier: CC-BY-4.0
+// ============LICENSE_END=========================================================
+//