Mod License Plate Manager v1.0.0.1 for Farming Simulator 2022

Includes only one vehicle with a given license plate at a time.
A window has also been added to the room configuration menu, where all used numbers are listed.

List of changes 1.0.0.1:
- Fixed a bug due to which the machine was duplicated when changing the configuration.
- No duplicate license plate check if configured as not installed.