ATS - Mack Anthem Box

Added new exhausts, cooler for refrigerated boxes and new boxes with chrome variants
Recommendation to use invisible trailers:

1. Turn off the volume of the trailer noises to avoid annoying sounds
2. When loading and unloading use the autoload trailer and skip the unloading of it
3. to place the dolly trailers, look in the double box trailers section

Authors: Rafael Mogollon