For lighting system introduced in v1.40

This mod . . .
- Includes all SCS trucks
- Widens beam's angle for trucks' low beams.
- Lengthens range for trucks' high beams.
- Adds choice of Halogen or LED headlights for Anthem, Cascadia, and 49x.


Plan is to add some mod trucks after they're updated to v1.40. 

This mod does not affect accessory lights. 

ETS2 version: (missing link)

