- Implemented Apple LZH decompression in `apple_lzh.c` and declared it in `apple_lzh.h`.
- Updated `CMakeLists.txt` to include new source files for the Apple LZH decompression.
- Added test cases for Apple LZH decompression in `tests/dart/dart.cpp` to verify functionality against known compressed files.
- Copied necessary test data files for both fast and best compression modes into the test data directory.
- Updated `library.h` to declare the new decompression function.