Copyright for ruby-raindrops source package in Buster

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: raindrops
Source: http://raindrops.bogomips.org/

Files: *
Copyright: 2010-2013 Eric Wong  and contributors
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 USA
 .
 On Debian systems, the full text of the GNU Lesser General Public License
 version 2.1 can be found in the file `/usr/share/common-licenses/LGPL-2.1'.

Files: debian/*
Copyright: These files ain't copyrighted
License: public-domain
 These files are in Public Domain.