You can't seriously justify introducing massive library into your code just to display some text, and use a few native calls. If it works for you, that's great, but if anybody needs an example of why the software you use is so terrible these days, even though we had huge leaps in technology, look no further.
If all this app does is display text, it would have been simpler to embed a rich terminal emulator widget and implement the backend as a Rust program with terminal UI