打开资产导入库，版本 5.4.1

assimp（Open Asset Import Library）是一个可移植的开源库，能够以统一的方式导入各种知名 3D 模型格式。

用于导入与 Qt Quick 3D 一起使用的资产

源代码位于 qtquick3d/src/3rdparty/assimp。

Copyright (c) 2006-2024, assimp team

BSD 3-clause "新"或"修订"许可证持有人.

Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
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* Redistributions in binary form must reproduce the above
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