Copyright for celery-haystack-ng source package in Jammy

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: celery-haystack-ng
Upstream-Contact: AlekSIS Team 
Source: https://edugit.org/AlekSIS/libs/celery-haystack-ng

Files: *
Copyright: 2011-2013, Jannis Leidel and contributors
 2021, Dominik George 
License: BSD-3-clause

Files: debian/*
Copyright: 2021, Dominik George 
License: BSD-3-clause

License: BSD-3-clause
 All rights reserved.
 .
 Redistribution and use in source and binary forms, with or without modification,
 are permitted provided that the following conditions are met:
 .
     1. Redistributions of source code must retain the above copyright notice,
        this list of conditions and the following disclaimer.
 .
     2. 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.
 .
     3. Neither the name of celery-haystack 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
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 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.