Copyright for codespell source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: codespell
Source: https://github.com/codespell-project/codespell
Upstream-Contact: codespell@googlegroups.com

Files: *
Copyright: 2010-2011 Lucas De Marchi ,
 2011 ProFUSION embedded systems
License: GPL-2.0

Files: debian/*
Copyright: 2013 Paul Wise 
           2015 Peter Spiess-Knafl 
License: GPL-2.0

License: GPL-2.0
 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; version 2 of the License.
 .
 This program 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.
 .
 You should have received a copy of the GNU General Public License
 along with this program; if not, see
 http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
 .
 On Debian systems, the complete text of the GNU General
 Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".