Anycubic Mega-S improved tool holder

Improved version of my original remixed tool holder...

- added a slot at the top, replacing the individual holes.
- removed right side compartment.
- rearranged tools to give tools I most use easier access.
- added a caliper holder.

link to original thingie...
https://www.thingiverse.com/thing:3483544

Might make other improvements/adjustements in the futur.