Intro Exercise: Hello World - #2
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- compile gate: main lacks tail expression until TODO uncommented - drop .gitkeep files; rustlings dev check forbids extra files - in-loop TTY check lets solution exit clean under piped stdout
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Adds the first exercise. It teaches how to start a ratatui app 🧀.
The student uncomments
ratatui::run(app)inmain. The app draws "hello world" and exits on a key press.Includes the reference solution and the
info.tomlentry.