[ATS] KAMAZ 5490 1.31.X

Powerful Russian workhorse for ATS.

- Standalone.

- Buy in Volvo Dealer (Las Vegas, Tucson for default maps).

- Have own tire set(various options).

- Updated with own board computer.

- Updated Accessories.

- Added 3 engines

- Added 3 transmissions

- Updated flags with few more.