ETS2 - Headlight Options (Led+Xenon)

- Changes throws and angles of headlight lamps for all SCS trucks.
- Adds choice of lamp option (i.e., Halogen, LED, Xenon) for SCS trucks that have headlight options.
- Because Europe is banning halogen bulbs, some trucks don't have a Halogen option.
- Widens beam's angle for trucks' low beams.
- Lengthens range for trucks' high beams.

Trucks included: all SCS stock trucks

Update for v1.49

Authors: Eddie Yantz