Fix Porsche 944, now normal version, but still not final.

Improvements: - PBR, improved light, improved materials

Improved suspension, made engine characteristics similar to real ones, added a model of the engine
New sound
Added 4 sets of wheels, a set of bumpers, racing seats, two types of steering wheel
Removed dummy parts
Reworked configs
Minor modifications to the life.
Mod author: Nekkit