Minimal Z-Autoleveling adapter

I don't expect anyone actually printing this but I leave it here for inspiration.

A while back I added a mesh based levelling feature to Marlin. The normal bed levelling feature in Marlin was not good for my printer, first it would need some extra hardware and secondly it needs a flat surface (which i mathematically tilt) which my printer did not have because of the large build area (a RigidBot Big).

The mesh method I created was very manual, and now I wanted to make it a little bit automa