feat: add optional contactShadowPosition prop to Stage (pmndrs#542)

* feat(Stage) - Add optional contactShadowPosition

* feat(Stage) - Add make contact shadowOptions an object

fix: first run scrolloffset is > than 0, add enabled

fix: export useintersect

feat: useintersect

fix: missing children in Scroll's prop type (pmndrs#592)

fix: scrollcontrols/range needs margins, addd curve function

fix: scrollcontrols dependencies

fix: scrollcontrols infinite trap and firefox support

fix: scrollcontrols onwheel

fix: image was missing the color attribute