upper z mount keystone jack and fan shroud for MPCNC 525

NOTE: you will have to cut longer pipes on the z axis to use this. your pipes should extend up to where the backplate of the stepper motor housing mates up to the shell of the stepper.

I basically took an idea for a part that karltinsly made for the previous version of MPCNC created by Allted. I took the motor mount and chopped out a space for the NEMA fan shroud made by BullseyeBody. Added a drag chain mount from the parts that PCFlyer put together and added the two keystone jacks that js