e1ven 3b9066850a Update Robohash for PyPI republishing
Some users have asked for an updated version in PyPI, so I'm doing some minor cleanup.
No real functionality changes, just modernizing things that would be considered more
standard 10+ years after this code was written.

- Added note about maintenance mode in README
- Cleaned up Python 3 compatibility (removed Python 2 support)
- Added minimal test for image consistency
- Added Docker image + GitHub workflow to build/publish it
- Fixed some minor bugs and improved error handling
- Added better CLI help text

The project is now officially in maintenance mode as noted in the README.
2025-03-15 16:30:01 -04:00
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