Copyright for haskell-active source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: active
Upstream-Contact: Brent Yorgey 
Source: https://hackage.haskell.org/package/active

Files: *
Copyright: 2011-2015 Andy Gill 
           2011-2015 Ben Gamari 
           2011-2015 Brent Yorgey 
           2011-2015 Christopher Chalmers 
           2011-2015 Daniel Bergey 
           2011-2015 Jeffrey Rosenbluth 
           2011-2015 Ryan Scott 
License: BSD-3-clause

Files: debian/*
Copyright: held by the contributors mentioned in debian/changelog
License: BSD-3-clause

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.
 .
     * Neither the name of Brent Yorgey nor the names of other
       contributors may be used to endorse or promote products derived
       from this software without specific prior written permission.
 .
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