Copyright for backupchecker source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: backupchecker
Upstream-Contact: Chenet Carl 
Source: https://pypi.org/project/backupchecker
Comment: before it was at https://github.com/backupchecker/backupchecker
         but vanished from there

Files: *
Copyright: 2015 Carl Chenet 
License: GPL-3+

Files: debian/*
Copyright: 2015 Carl Chenet 
License: GPL-3+

License: GPL-3+
 On Debian systems, the complete text of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-3'.