Brockway 776 v1.0.0.0

Small release, the cab part was a 3d print model, so I did manage to lower the poly count from 12 milions to 650k all in all. The frame, wheels, engine, dump body and sound are all from beamNG, I did have some texture issue and yeah, they're texture, not colorable other than the wheels. The interior being from a printed model isn't all that great, it's originaly the same as a Mack R but I didn't have a good one either, so anyway that's that.