Copyright for golang-github-grpc-ecosystem-grpc-gateway source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: grpc-gateway
Source: https://github.com/grpc-ecosystem/grpc-gateway

Files: *
Copyright: 2015, Gengo, Inc.
License: BSD-3-clause

Files: third_party/googleapis/*
Copyright: 2015, Google Inc.
License: Apache-2.0

Files: debian/*
Copyright: 2017 Tim Potter 
License: BSD-3-clause
Comment: Debian packaging is licensed under the same terms as upstream

License: BSD-3-clause
 Copyright (c) 2015, Gengo, Inc.
 All rights reserved.
 .
 Redistribution and use in source and binary forms, with or without modification,
 are permitted provided that the following conditions are met:
 .
     * Redistributions of source code must retain the above copyright notice,
       this list of conditions and the following disclaimer.
 .
     * Redistributions in binary form must reproduce the above copyright notice,
       this list of conditions and the following disclaimer in the documentation
       and/or other materials provided with the distribution.
 .
     * Neither the name of Gengo, Inc. nor the names of its
       contributors may be used to endorse or promote products derived from this
       software without specific prior written permission.
 .
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

License: Apache-2.0
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 .
   http://www.apache.org/licenses/LICENSE-2.0
 .
 On Debian systems, the complete text of the Apache 2.0
 License can be found in `/usr/share/common-licenses/Apache-2.0`.