Release mechanism test-release

Testing GitHub Actions for publishing to pypi.

Initial pre-release

First release with working functionality:

• Graphic filesystem tree maps generated using plotly library
• Treemap plots displayed using pywebview
• Treemap plots can be exported as HTML files using --export <path> parameter
• Implemented analyses for the following properties:
  • File entropy (use -p entropy)
  • File redundancy, i.e. duplicate files (use -p redundancy)