Copyright for fcitx5-gtk source package in Yangtze V1.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: fcitx5-gtk
Upstream-Contact: Weng Xuetian 
Source: https://github.com/fcitx/fcitx5-gtk

Files: *
Copyright: 2012-2020 CSSlayer 
License: LGPL-2.1+

Files: debian/*
Copyright: 2020, Boyuan Yang 
License: CC0-1.0

License: LGPL-2.1+
 This library 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; either version 2.1 of the
 License, or (at your option) any later version.
 .
 This library 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
 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU Lesser General Public
 License along with this library; see the file COPYING. If not,
 see .
 .
 On Debian-based systems, the full text of LGPL-2.1 could be found at
 /usr/share/common-licenses/LGPL-2.1 .

License: CC0-1.0
 On Debian systems, the full text of the CC0 1.0 Universal
  License can be found in the file
  `/usr/share/common-licenses/CC0-1.0'.