Alpha Race & Offroad tires & parts for Wentward DT40L 1.0

A small pack that adds some additional parts for the Wentward Bus
As of right now this includes racing slicks and offroad tires adapted to fit the bus rims and a fully adjustable limited slip differential and final drive

the tires are not a 100% perfect fit but they are about a good enough fit as i can get them as this stage, no gaps between the rim and tire and the nodes match and no clipping

I might add more to this in the future such as powertrains, more tire grip variants and maybe more but for now its a learning curve.