v0.9.0 - Add(ed) module-level comments

[0.9.0] - 2025-07-30

Documentation

• Added module-level docstring to image_functions.py:

  • Summarizes image comparison functionality
  • Lists all comparison techniques used (SHA-256, ImageChops, SSIM, ImageMagick)
  • Describes function responsibilities and external tool requirements

• Added module-level docstring to system_management_functions.py:

  • Describes utilities provided: GitHub URL conversion, Windows filename validation, file size analysis
  • Lists external dependency: requests

Improved

• Streamlined all module-level docstrings to be concise and readable
• Aligned function summaries and terminology across modules for consistency