Copyright for ddcutil source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: ddcutil
Upstream-Contact: Sanford Rockowitz 
Source: https://www.github.com/rockowitz/ddcutil

Files: *
Copyright: 2015-2023 Sanford Rockowitz 
License: GPL-2+

Files: src/bsd/i2c*
Copyright: 1995-2000 Simon G. Vogl
           1998-99 Frodo Looijaard 
License: GPL-2+

Files: debian/*
Copyright: 2016-2023 Sanford Rockowitz 
License: GPL-2+

License: GPL-2+
 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 2 of the License, or
 (at your option) any later version.
 .
 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 
 .
 On Debian systems the full text of the GNU General Public License
 version 2 can be found in /usr/share/common-licenses/GPL-2.