Copyright for net-cpp source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: net-cpp
Source: https://gitlab.com/ubports/core/lib-cpp/net-cpp
Files-Excluded: tests/httpbin.tar.bz2 debian/* .bzr-builddeb/*

Files: *
Copyright: 2012-2013 Canonical Ltd.
License: LGPL-3.0

Files: debian/*
Copyright:
 2012-2013, Canonical Ltd.
 2020, Mike Gabriel 
License: LGPL-3.0

License: LGPL-3.0
 This package 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, version 3 of
 the License.
 .
 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
 Lesser 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 Lesser General
 Public License can be found in /usr/share/common-licenses/LGPL-3.