Add SPDX license tags to templates

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modules/database/src/template/top/exampleBoot/ioc/README@Common

@@ -7,3 +7,9 @@ and check the executable name on the first line of the st.cmd file
 
 You may need to change the name of the .dbd file given in the
 st.cmd's dbLoadDatabase() command before starting the ioc.
+
+
+SPDX-FileCopyrightText: 2001 Argonne National Laboratory
+
+SPDX-License-Identifier: EPICS
+