ETS2 - Saint-Petersburg. RusMap Addon (1.40.x)

Changelog:
Update for 1.40 beta

The mod adds an extended version of the cities of Saint Petersburg and Vyborg to the basic version of RusMap.
Add-on 'Piter For RusMap_2.3.1'
Mod adapted for RusMap 2.3.1

Authors: Sergey061, Schura774