Write end user documentation on how titanoboa should be consumed. Use the @ublue-os/bluefin repository as the canonical example. Document the config files, the action options, as well as the end-to-end consumption of titanoboa so that any user can crea...

[Copilot]

• Review existing README.md and understand current structure
• Document prerequisites for using titanoboa
• Document GitHub Actions consumption (using bluefin as canonical example)
• Document all action.yml inputs and their purposes
• Document local usage with just command
• Document configuration files (flatpaks list, hook scripts)
• Document environment variables and their defaults
• Document the end-to-end workflow
• Add example configurations from bluefin
• Document testing the ISO (just vm command)
• Add troubleshooting section
• Add tips and best practices

Original prompt

Write end user documentation on how titanoboa should be consumed. Use the @ublue-os/bluefin repository as the canonical example. Document the config files, the action options, as well as the end-to-end consumption of titanoboa so that any user can create a live image ISO of their custom image.

Add documentation to README.md, do not add any other files.

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