[VOL-2870]

Add Makefile with lint and test targets to kind-voltha (not enabled yet)
Add VERSION and .gitreview file
Add headers to pass license check

Change-Id: I960b667d574b86ea143eb9d7c07895a807425cff
diff --git a/releases/voltha-2.3.0-rc1 b/releases/voltha-2.3.0-rc1
index bc2d154..a6f08c4 100644
--- a/releases/voltha-2.3.0-rc1
+++ b/releases/voltha-2.3.0-rc1
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: © 2020 kind-voltha contributors
+# SPDX-License-Identifier: Apache-2.0
+
 export VOLTHA_CHART_VERSION=2.2.3
 export VOLTHA_BBSIM_CHART_VERSION=3.0.15
 export VOLTHA_ADAPTER_SIM_CHART_VERSION=2.2.4