Copyright for python-datrie source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: datrie
Upstream-Contact: Mikhail Korobov 
Source: https://github.com/pytries/datrie

Files: *
Copyright: 2012-2017, Mikhail Korobov 
License: LGPL-2.1+

Files: libdatrie/*
Copyright: 2006-2017, Theppitak Karoonboonyanan 
License: LGPL-2.1+
Comment: These bundled libdatrie sources are not used to build binary package,
 libdatrie-dev debian package is used instead

Files: debian/*
Copyright: 2017-2018, Filip Pytloun 
License: LGPL-2.1+

License: LGPL-2.1+
 This library 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 library 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 library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
 .
 On Debian systems, the complete text of version 2 of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-2'.