issue #3: publish datagpu to PyPi

[kcelestinomaria]

Publish DataGPU v0.1.0 to PyPI

Changes

• Published DataGPU v0.1.0 to PyPI
• Updated README with clear installation and usage instructions
• Added verification steps for PyPI package

Verification

• ✅ Package published: https://pypi.org/project/datagpu/0.1.0/
• ✅ Installation verified: pip install datagpu
• ✅ CLI commands tested and working

How to Test

1. Create a clean virtual environment:

   python -m venv testenv
   source testenv/bin/activate  # On Windows: testenv\Scripts\activate
   

pip install datagpu

datagpu --version

Should output: DataGPU version 0.1.0

Closes Issue #3