Provides additional bar widgets for the great tui-rs crate.
```rust,norun use tui::{widgets::Block, layout::Direction}; use tuibars::ValueBar;
let x = 1.234;
ValueBar::default() .direction(Direction::Vertical) .value(x) .label(format!("{x:.2}")) .range(5.) .block(Block::default().title("My Value X")); ```