Ender 3 Pro Spool inserts

--Update 7/3-- Further increased the ID to 38mm in the _V2 files for better clearance over the holder lip

--Update 6/25-- These do fit over the Ender 3 Pro spool holder but are very tight. I will increase the ID to 37mm when I get time

Increased the ID to 36mm to clear the Stock Ender 3 Pro holder lip. On the printer right now so I will update once confirmed that they work.