MTZ PACK

Added MTZ 80 front end with different wheel options, MTZ 82 axle with different wheels, girder bridge and a new bridge from MTZ 82.1, also loaders pc 0.8, ps 0.8, stack machine, forks, buckets, forks for pallets and big bags, counterweight , triangle, 5 types of engines with different sounds, replacement of the main color, disc color, design, cab, loaders, counterweight, animation of everything on all tractors, doors, windows, hatches, hoods