A crate for writing text in rainbow colors.
```rust use rainbow_text::Rainbow;
fn main() -> std::io::Result<()> { let rain = Rainbow::default();
rain.write("Hello, World")?;
Ok(())
} ```
```rust use rainbow_text::Rainbow;
fn main() -> std::io::Result<()> { let rain = Rainbow::default();
rain.write_bg("Hello, World")?;
Ok(())
} ```
```rust use rainbow_text::{ Rainbow, Color };
fn main() -> std::io::Result<()> { let rain = Rainbow::custom( vec![ Color::Rgb(255,0,0), Color::Rgb(0,255,0), Color::Rgb(0,0,255), ] );
rain.write("Hello, World")?;
Ok(())
} ```