Copyright for haskell-intervals source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: intervals
Upstream-Contact: Edward Kmett 
Source: https://hackage.haskell.org/package/intervals

Files: *
Copyright: 2010-2013 Edward Kmett
License: intervals license

Files: debian/*
Copyright: 2013 Joachim Breitner
License: intervals license

License: intervals license
 All rights reserved.
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 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:
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     * Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
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     * 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.
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 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 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
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