Define project licensing defaults and COPYRIGHT examples

examples/licensing/application/COPYRIGHT

@@ -0,0 +1,19 @@
+PROJECT_NAME
+
+Copyright (C) YEAR COPYRIGHT_HOLDER
+
+SPDX-License-Identifier: GPL-3.0-or-later
+
+PROJECT_NAME is free software: you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+The GNU General Public License version 3 is provided in LICENSE.
+
+PROJECT_NAME is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Third-party code and assets are subject to their respective license terms.