Update the setup.py file to explicitly include the package data for the
magic_pdf.resources directory. This ensures that all files within thisdirectory are packaged and available for use with the magic_pdf package.

Add new configuration options for custom model directories and device modeselection. This allows users to specify the directory where models are stored
and choose between CPU and GPU modes for model inference. The configurations
are read from a JSON file and can be easily extended to support additional
options in the future.