[react-svg-pan-zoom] Documentation of the Value object

[kasbah]

Making use of react-svg-pan-zoom (thank you very much for an amazing library!) I find myself working quite a bit with the Value object but as far as I could see it's not really documented. I had to guess that Value.a seems to represent the zoom factor for instance. It would be nice to have some documentation of what all the fields in this object represent.

[WouterrV]

What I figured out so far:

const zoomLevel = zoomPanValues.a;
const xTranslation = zoomPanValues.e;
const yTranslation = zoomPanValues.f;