Function copyToImg

copyToImg(canvasEl: HTMLCanvasElement): HTMLImageElement
Creates a new HTML IMG element with a snapshot of the canvas. Element will need to be inserted into the document.
```
const myCanvas = document.getElementById('someCanvas');
const el = copyToImg(myCanvas);
document.getElementById('images').appendChild(el);
```
Parameters
- canvasEl: HTMLCanvasElement
Returns HTMLImageElement