Adding Apache-2.0 and ONF Member licenses to aether-helm-charts

Change-Id: I15fe9b5a185d8eb10e68f763e3a3b49d3d12a65a
diff --git a/omec/assets/omec-architecture.png.license b/omec/assets/omec-architecture.png.license
new file mode 100644
index 0000000..995fb49
--- /dev/null
+++ b/omec/assets/omec-architecture.png.license
@@ -0,0 +1,4 @@
+SPDX-FileCopyrightText: 2020 Open Networking Foundation <info@opennetworking.org>
+
+SPDX-License-Identifier: Apache-2.0
+SPDX-License-Identifier: LicenseRef-ONF-Member-Only
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