image-to-oled 0.4.0

Converts an ImageBuffer to a 128x64 SSD1306 OLED byte vector
Documentation 
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# Image to OLED [![build badge](https://github.com/mdegraw/image-to-oled/actions/workflows/rust.yml/badge.svg?branch=main)](https://github.com/mdegraw/image-to-oled/actions/workflows/rust.yml) [![docs.rs version](https://img.shields.io/docsrs/image-to-oled)](https://docs.rs/image-to-oled/latest/image_to_oled)

Converts an [ImageBuffer](https://docs.rs/image/0.23.14/image/struct.ImageBuffer.html) to a 128x64 SSD1306 OLED byte vector

## Example
```rust
let image_buffer: ImageBuffer<Rgb<u8>, Vec<u8>> =
    ImageBuffer::from_vec(2, 2, vec![30; 12]).unwrap();
// get bytes vec, specifying the brightness threshold 
// as a number between 0 and 255
let bytes = to_oled_bytes(&image_buffer, 30);
```