- Add comprehensive .gitignore to exclude build artifacts and cache files
- Add LICENSE file with UChicago Argonne, LLC license
- Update README with proper conda environment setup instructions
- Fix test_stack_viewer.py to use proper package imports
- Fix examples/usage_example.py import issues
- Update setup.py with correct author information (Fanny Rodolakis)
- Ensure all scripts work with installed package structure

All critical package issues resolved - package is now ready for use.