AETHER-3427 helm chart for sdcore-adapter v2.1

Change-Id: Iae3bb900cd888700dfd785cd142d78054e36a617
diff --git a/sdcore-adapter-v2-1/Chart.yaml b/sdcore-adapter-v2-1/Chart.yaml
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+# SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+apiVersion: v2
+name: sdcore-adapter-v2-1
+kubeVersion: ">=1.17.0"
+type: application
+version: 2.1.1
+appVersion: v2.1.0
+description: Aether SD-Core Adapter
+keywords:
+  - aether
+  - sdcore
+  - adapter
+home: https://www.opennetworking.org/aether/
+maintainers:
+  - name: Aether Ops team
+    email: support@opennetworking.org