Add Google style docstrings to all files under neural_compressor/torch/algorithms/weight_only/hqq.

• __init__.py:

  • Add docstrings for HQQuantizer, HQQModuleConfig, and QTensorConfig classes.

• bitpack.py:

  • Add docstrings for BitPack and Packer classes and their methods.

• config.py:

  • Add docstrings for HQQGlobalOptions, QTensorConfig, and HQQModuleConfig classes.

• core.py:

  • Add docstrings for HQQTensorHandle and HQQLinear classes and their methods.

• optimizer.py:

  • Add docstrings for optimize_weights_proximal_legacy function.

• qtensor.py:

  • Add docstrings for QTensor and QTensorMetaInfo classes and their methods.

• quantizer.py:

  • Add docstrings for HQQuantizer class and its methods.

• utility.py:

  • Add docstrings for is_divisible and dump_elapsed_time functions.

• .azure-pipelines/scripts/codeScan/pydocstyle/scan_path.txt:

  • Add neural_compressor/torch/algorithms/weight_only/hqq to scan path.

For more details, open the Copilot Workspace session.