Copyright for peony-extensions source package in Yangtze V1.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: peony-extensions
Source: 

Files: *
Copyright: 2020, Tianjin KYLIN Information Technology Co., Ltd.
License: LGPL-3+

License: LGPL-3+
 This software is Copyright (c) 2020 by X. Ample.
 .
 This is free software, licensed under:
 .
   The GNU Lesser General Public License, Version 3, June 2007
 .
 This program is free software; you can redistribute it and/or modify it
 under the terms of the GNU Lesser General Public License as published by the
 Free Software Foundation; version 3 of the License, or (at
 your option) any later version.
 On Debian systems, the complete text of version 3 of the GNU Lesser
 General Public License can be found in '/usr/share/common-licenses/LGPL-3'.