Pre-trained vehicle trailer and accessory models

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/request-a-feature/trailer-ad-consumption/
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Plz add a option for additional trailer consumption,
I know that different types of trailers take different amount of energy/drag, but that could be solved with when selecting the option “trailer” the the type of trailer should also be selected and load.