Function create_profile_set 

pub fn create_profile_set(
    tx: &mut Transaction,
    model: &Model,
    profiles: &[EntityId],
    name: Option<&str>,
    description: Option<&str>,
    composite_profile: Option<EntityId>,
) -> MaterialResult<EntityId>

Stage an IfcMaterialProfileSet. IFC4 onwards. Must name at least one profile.