minimp3 Rust bindings

Usage example

```toml

Cargo.toml

[dependencies] minimp3 = "0.3" ```

```rust extern crate minimp3;

use minimp3::{Decoder, Frame};

use std::error::Error; use std::fs::File;

fn main() -> Result<(), Box> { let mut decoder = Decoder::new(File::open("audio_file.mp3")?);

loop {
    // Keep decoding frames until EOF is reached
    let Frame { data, sample_rate, channels, .. } = decoder.next_frame()?;
}

unreachable!()

} ```