==== Accessory trailer body data ====
New accessory type defining trailer body.
Required attributes are:
* [float] **volume** - The volume of the body in m.
* [token] **body_type** - The type of the body.
* [float] **mass** - The mass of the empty body.
* [float3] **total_size** - The total size of the trailer in meters.
* [float3] **size** - The total size of the trailer body in meters.
Optional attributes are:
* [string] **detail_model** - The detailed model of the body.
* [string] **model** - The default model of the body.
* [string array] **lods** - The LOD models.
* [string] **collision** - The collision of the body.
* [token] **variant** - The variant of the model to use.
* [token] **look** - The look of the model to use.
=== Trailer dealer data ===