[FEATURE] Expose all scroll information via `useScroll`

You can get scroll[X/Y] and scroll[X/Y]Progress from useScroll but often I'd need to know how many pixels I'm away from the maximum offset. This is a bit frustrating, since Framer internally computes scroll[X/Y]Progress via dividing scroll[X/Y] by the maximum offset, but there is no easy way to read out that value. Would be cool if something like scroll[X/Y]Max or even better scroll[X/Y]FromMax was added to useScroll...

I think the relevant file is https://github.com/framer/motion/blob/main/packages/framer-motion/src/value/scroll/utils.ts

const update = () => {
  const { xOffset, yOffset, xMaxOffset, yMaxOffset } = getOffsets()
  // Set absolute positions
  values.scrollX.set(xOffset)
  values.scrollY.set(yOffset)
  // Set 0-1 progress
  setProgress(xOffset, xMaxOffset, values.scrollXProgress)
  setProgress(yOffset, yMaxOffset, values.scrollYProgress)
  }

Here i think it would be possible to expose xMaxOffset and yMaxOffset to the user?

Additionall it would be nice if one could pass something like calc(100% - 300px) to the offset option from useScroll because currently all absolute (pixel) values are measured from the start of the container and there is no way to specify a pixel value measured from the end of the container...

Start with packages/framer-motion/src/value/scroll/utils.ts and trace getOffsets, update, and the existing useScroll offset handling. Define how maximum or distance-from-maximum values should be exposed, then determine whether the requested calc(100% - 300px) offset belongs in the same change. Done means the chosen scroll information and offset behavior are available through useScroll with coverage for the supported cases.