Add LICENSE file

Change-Id: I7dd5f33e252f21ce8b4ce84653a032a2a651e0fa
diff --git a/models/intel/person-detection-retail-0013/FP16/person-detection-retail-0013.xml.license b/models/intel/person-detection-retail-0013/FP16/person-detection-retail-0013.xml.license
new file mode 100644
index 0000000..958258c
--- /dev/null
+++ b/models/intel/person-detection-retail-0013/FP16/person-detection-retail-0013.xml.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2022-present Intel Corporation
+SPDX-FileCopyrightText: 2021 Open Networking Foundation <info@opennetworking.org>
+SPDX-License-Identifier: Apache-2.0