VORON 2: Draft of BOM for upgrade available

I created the first draft of my bill of material for the VORON 2 upgrade.

You can take a look here:

https://docs.google.com/spreadsheets/d/1xX_bNElGnFTi2FBPmeTbqgGjIYxc9ztd7qkAoUNczn0/edit?usp=sharing