Copyright for golang-github-twotwotwo-sorts source package in Mantic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: sorts
Upstream-Contact: https://github.com/twotwotwo/sorts/issues
Source: https://github.com/twotwotwo/sorts

Files: *
Copyright: (c) 2012 The Go Authors
           (c) 2014-5 Randall Farmer
License: BSD-3-clause

Files: debian/*
Copyright: 2021 Nilesh Patra 
License: BSD-3-clause
Comment: Debian packaging is licensed under the same terms as upstream

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 Google Inc. nor the names of its
     contributors may be used to endorse or promote products derived from
     this software without specific prior written permission.
 .
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