Copyright for etcd source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: etcd
Source: https://github.com/coreos/etcd
Files-Excluded:
    cmd/vendor

Files: *
Copyright: 2014-2015 CoreOS, Inc
           2013-2017 The etcd Authors
License: Apache-2.0

Files:
    client/cancelreq.go
    client/integration/main_test.go
    clientv3/integration/main_test.go
    e2e/main_test.go
    integration/main_test.go
    pkg/crc/crc.go
    pkg/crc/crc_test.go
    pkg/httputil/httputil.go
    pkg/pathutil/path.go
    pkg/testutil/leak.go
Copyright: 2013-2015 The Go Authors.
License: BSD-3-clause

Files:
    pkg/monotime/issue15006.s
    pkg/monotime/nanotime.go
    pkg/monotime/nanotime_test.go
Copyright: 2016 Arista Networks, Inc
License: Apache-2.0

Files: debian/*
Copyright:
    2014      Jelmer Vernooij 
    2015-2016 Dmitry Smirnov 
License: Apache-2.0

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`.

License: BSD-3-clause
 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.
 * The name of the author may not 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.