CookingRoberta

Adding canvas "bitmaprenderer" context

2

## Description At the moment [HTML 5 canvas](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/getContext) provides different modes for 2d and 3d: * CanvasRenderingContext2D for "2d", * WebGLRenderingContext for "webgl" and "experimental-webgl", * WebGL2RenderingContext for "webgl2" *...