kbar 0.1.0

A progress bar for cli
Documentation 
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# kbar
A progrss bar for cli.

### Example:
```rust
use kbar::{KBar, BarType};
use std::thread::sleep;
use std::time::Duration;

fn main() {
    // using crossterm, this will create a bar at 0,0
    // without crossterm, this is the only way to create a bar
    let mut kbar = KBar::new(BarType::Bar, true, true, 20);
    
    // clear the terminal buffer
    kbar.clear_term().expect("Not able to clear buffer");

    for x in 0..1000 {
        // get the percentage complete as a decimal
        let percentage_decimal = x as f32 / 1000.0;
        // scale the percentage from 0..1 to 0..100 and convert to a u8
        let percent = (percentage_decimal * 100.0) as u8;
        // update the bar
        kbar.update(percent);
        // draw the bar
        kbar.draw();
        // delay for 10ms, making this run in 10 seconds
        sleep(Duration::from_millis(10));
    }
}
```