Copyright for ruby-sdl source package in Bookworm

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: ruby-sdl
Source: Homepage: http://www.kmc.gr.jp/~ohai/rubysdl.en.html

Files: *
Copyright: 2001-2014 Ohbayashi Ippei 
License: LGPL-2.1+

Files: debian/*
Copyright: 2001-2012 akira yamada 
           2009,2012 Paul van Tilburg 
           2010 Deepak Tripathi 
           2012,2014,2016 Youhei SASAKI 
           2012-2013,2016,2020 Cédric Boutillier 
           2014 Christian Hofstaedtler 
           2014 Caitlin Matos 
           2019 Utkarsh Gupta 
           2022 HIGUCHI Daisuke (VDR dai) 
License: LGPL-2.1+

License: LGPL-2.1+
 This package 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 package 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 General Public License
 along with this program. If not, see .
 .
 On Debian systems, the complete text of the GNU Lesser General
 Public License can be found in "/usr/share/common-licenses/LGPL-2.1".