Copyright for mat2 source package in Jammy

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: https://0xacab.org/jvoisin/mat2

Files: *
Copyright: © 2018-2019 Julien Voisin 
License: LGPL-3+

Files: data/mat2.png data/mat2.svg
Copyright: © 2016 Marie Rose
           © 2018-2019 Julien Voisin 
License: LGPL-3+

Files: debian/*
Copyright: © 2018-2019 Georg Faerber 
           © 2018-2019 Jonas Meurer 
License: LGPL-3+

License: LGPL-3+
 This program 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 3 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 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU Lesser General Public License
 along with this package; if not, see http://www.gnu.org/licenses/.
 .
 On Debian systems, the complete text of the GNU Lesser General Public
 License v3 can be found in `/usr/share/common-licenses/LGPL-3'.