ETS2 - Border improvements for RusMap (1.36.x)

Requirements:
1. RusMap 1.9.0
2. ProMods 2.42
3. RusMap + ProMods road connection
Updated the RusMap package to version 1.2.0. All bugs have been fixed and it's now compatible with PM 2.42 + RM 1.9.0 road connection.

Authors: CrashCZ