Update debian/copyright for new files

debian/copyright

@@ -19,6 +19,20 @@ Copyright: 2000-2004 Martin Pool <[email protected]>
            2020 Celestia Development Team <[email protected]>
 License: zlib
 
+Files: src/tools/celestia-gaia-stardb/*
+Copyright: 2019–2020 Andrew Tribick <[email protected]>
+License: GPL-2+
+
+Files: src/celengine/dds_decompress.*
+Copyright: 2009 Benjamin Dobell, Glass Echidna
+           2012, Matthäus G. Chajdas <[email protected]>
+License: Expat
+
+Files: src/celutil/tee.h
+Copyright: 2009 Thomas Guest <[email protected]>
+           2021 Celestia Development Team <[email protected]>
+License: public-domain
+
 Files: fonts/DejaVuSans.ttf fonts/DejaVuSans-Bold.ttf
 Copyright: Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved.
  Bitstream Vera is a trademark of Bitstream, Inc.
@@ -157,3 +171,42 @@ License: zlib
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
+
+License: Expat
+ Permission is hereby granted, free of charge, to any person obtaining a
+ copy of this software and associated documentation files (the "Software"),
+ to deal in the Software without restriction, including without limitation
+ the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ and/or sell copies of the Software, and to permit persons to whom the
+ Software is furnished to do so, subject to the following conditions:
+ .
+ The above copyright notice and this permission notice shall be included
+ in all copies or substantial portions of the Software.
+ .
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+License: public-domain
+ This is free and unencumbered software released into the public domain.
+ Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
+ software, either in source code form or as a compiled binary, for any purpose,
+ commercial or non-commercial, and by any means.
+ .
+ In jurisdictions that recognize copyright laws, the author or authors of this
+ software dedicate any and all copyright interest in the software to the public
+ domain. We make this dedication for the benefit of the public at large and to
+ the detriment of our heirs and successors. We intend this dedication to be an
+ overt act of relinquishment in perpetuity of all present and future rights to
+ this software under copyright law.
+ .
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.