Copyright for node-ignore source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: ignore
Upstream-Contact: https://github.com/kaelzhang/node-ignore/issues
Source: https://github.com/kaelzhang/node-ignore

Files: *
Copyright: 2013, Kael Zhang 
License: Expat

Files: debian/*
Copyright: 2016-2019, Jonas Smedegaard 
License-Grant:
 This program 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, or (at your option) any later version.
License: GPL-3+

License: Expat
 Permission is hereby granted, free of charge,
 to any person obtaining a copy
 of this software and associated documentation files (the "Software"),
 to deal in the Software without restriction,
 including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense,
 and/or sell copies of the Software,
 and to permit persons to whom the Software is furnished to do so,
 subject to the following conditions:
 .
 The above copyright notice and this permission notice shall be included
 in all copies or substantial portions of the Software.
 .
 THE SOFTWARE IS PROVIDED "AS IS",
 WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
 OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

License: GPL-3+
License-Reference: /usr/share/common-licenses/GPL-3