Lift-able axle lowbed and lowloader v1.0

Lift-able axle for lowbed and lowloader v1.0 ETS2

This mod replaces the fixed axis with a lifting axis for:
a) 3-and 4-axis low-frame trawls LWB (lowbed SCS);
b) 3-and 4-axis low-frame trawls with jib platform LLD (lowloader SCS)