Enhancements: Upgraded Actions, Improved Logging, Restructured Project

[snigdhasjg]

• Upgrade GitHub Actions and Enhance Logging
  • Publish the image for both amd and arm
• Code changes
  • Add logging instead of print
  • Refactor logging of env vars, and added checks
  • Add default value for non-required configs
• Project Restructuring with pyproject.toml
  • Introduced pyproject.toml to manage project structure and dependencies.
  • Enabled execution as both as Docker, as bash executable docker-nsupdate-ddns and as Python module importable for flexibility.
  • Removed pipfile as dependencies are now managed within the pyproject.toml file.
    Important Note:

Feel free to provide feedback or suggestions for further improvements.

Warning

Currently tested only with Python 3.12

[mtak]

@snigdhasjg Much appreciated. LGTM.