[ATS] VOLVO NH12 -REWORKED- [1.30.X]

Reworked Volvo NH12 for ATS, fully standalone and does not require any base truck.

Available at the Volvo dealer (in default maps Las Vegas, Tucson; on additional maps sometimes elsewhere as well). Six engines, eight transmissions, twelve chassis variants and some own accessories; compatible with SiSL's Accessories Megapack.

Reworked "exclusive" interior, updated sounds, removed unrealistic engines and transmissions, and added one extra 750hp engine with its own sound for heavy cargo.