Copyright for berusky-data source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: http://www.anakreon.cz/?q=node/1

Files: *
Copyright: 1997-2012 AnakreoN 
License: GPL-2+
Comment:
 Code
 Martin "Komat" Stransky , www.anakreon.cz
 .
 Game rules & Level design
 Lubos "Shobul" Dolezal , www.anakreon.cz
 .
 In-game graphics
 Jan "Riva" Halfar , www.pixellive.net
 .
 Menu graphics & logos
 Vaclav "Mega" Hlobil , www.megadesign.cz
 .
 Sound & Music
 Martin Linda 
 .
 Translation to English
 Radek Biba , people.redhat.com/rbiba
 .
 Language check
 Michal "Mipo" Policky
 .
 Levels tests
 Ondrej Soucek
 .
 Contributors:
 Michal "Kofola" Simonik
 Pavel Dolezal
 Milan Hamrik
 Jan Chalupa
 Igor Blaha
 Patrik Sykora
 Eva Sykorova
 Milan Crha
 Mary Stranska

Files: debian/*
Copyright: 2007-2012, Bart Martens 
           2016-2018, Markus Koschany 
License: GPL-2+

License: GPL-2+
 This package 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 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 package; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 .
 On Debian systems, the complete text of the GNU General Public License
 version 2 can be found in `/usr/share/common-licenses/GPL-2'.