Copyright for sphinxcontrib-github-alt source package in Huanghe V3.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: sphinxcontrib_github_alt
Source: https://github.com/jupyter/sphinxcontrib_github_alt

Files: *
Copyright: 2010- Doug Hellmann & Jupyter Development Team
 All rights reserved.
License: BSD-2-clause

Files: debian/*
Copyright: 2024 Julian Gilbey 
License: BSD-2-clause

License: BSD-2-clause
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 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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