ATS - Freightliner FLB Truck

Changelog:
Update for 1.46

- Standalone. The Kenworth dealer.
- 2 cabins
- Different types of chassis
- Their engines and gears
-  own interior
- Their sounds (Detroit Diesel 60, Cummins N14, CAT3406)
- Your skins
- Large tuning

Authors: Harven, Solaris36, Sliipais, SCS Software, odd_fellow, ventyres, vitalik062, Lucasi, Pauly, Harven's Wife, SiSL & JeyJey, Kriechbaum, odd_fellow.