Trailer Mod Pack v3.5

Mod tested and working on v1.15.X i 1.16.X
Changes in v3.5
- Added new cement cistern
- Added trailers to AI traffic:
*) Kogel flat bed
*) Krone logs trailer
*) Jumbo trailer
*) Narko
*) Pezzaioli
*) Schmitz
*) Silo trailer
*) Few other from old versions
- Improved Jumbo trailer
*) Lamp mask 
*) Ambient occlusion 
*) Small fixes in model
*) Added license plate light
- Improved Kogel flat bed
*) Lamp mask 
- Improved Krone flat bed
*) Lamp mask 
*) Ambient occlusion 
*) Added license plate light
*) New wheels
*) Small changes in model and cargos
- Improved Narko trailer
*) Lamp mask 
*) Ambient occlusion 
*) Added license plate light
- Improved Pezzaioli trailer
*) Lamp mask 
*) Ambient occlusion 
*) Added license plate light
- Improved Schmitz SCF 24 and SKO
*) Lamp mask 
*) Added license plate light
- Improved Schwarzmuller trailer
*) Lamp mask 
*) Ambient occlusion 
*) Added license plate light
- Small fixes in definition and textures