Copyright for yokadi source package in Oracular

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: yokadi
Source: https://yokadi.github.io/
Upstream-Contact: Aurélien Gâteau ,
                  Sébastien Renard 

Files: *
Copyright: 2008-2019, Yokadi developers
License: GPL-3+

Files: debian/*
Copyright: 2009-2022, Kartik Mistry 
License: GPL-3+

License: GPL-3+
 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 3 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 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 General Public License version
 3 can be found in `/usr/share/common-licenses/GPL-3'.