ATS - Real Emergency Ai Pack V1.57 Base Edition

Real Emergency Ai Pack Base Edition mod for American Truck Simulator 1.57 version.

Mod adding in traffic on-duty versions of all SCS stock police and emergency vehicles with beacon and personalized siren sounds for the base map states.

Changelog v1.57:
updated to ATS 1.57

Authors: Cipus, SCS for default vehicles, FMOD and YouTube for the sounds