AMS hook

I don't have a full top riser, but keep the top glass ajar. I didn't like the idea of AMS shaking on top of the printer and potentially sliding off the top. These hooks keep the AMS securely in place.I provided multiple lengths of the hook. The longest one causes the AMS to protrude 6-7 mm behind P1S, whilst still keeping the rubber feet fully on the glass. Just print the plate you want.[Edit: I corrected STL files to have both halves in correct orientation, which removes the need to fli