samogod/tornado ? reverse-engineered prompt

Build me a small Python tool that helps me set up a Tor hidden service for a local demo app, so I can expose something on an onion address without port forwarding.

I want it to be easy to run from the command line on Linux and Windows, with a simple start command, clear install steps, and a friendly message that explains what it is doing. Please include support for creating the hidden service, showing the generated onion address, and keeping the setup easy to repeat for testing. If you need current Tor setup details, look up the latest docs online.

Make the project feel polished, with a clean README, basic error handling, and a clear warning that it is only for authorized use on systems I control. If it makes sense, include a tiny example service I can run locally so I can verify everything works end to end.