Update entity transformer direction in docs
Update entity transformer direction in docs

Matches the changes made in d0638371d3aa255e6610e913791ee4f433d48bf1.
Mantle/MTLManagedObjectAdapter,ServiceNow/MTLManagedObjectAdapter,ServiceNow/MTLManagedObjectAdapter,redengineer/MTLManagedObjectAdapter,Mantle/MTLManagedObjectAdapter,redengineer/MTLManagedObjectAdapter,samkhawse/MTLManagedObjectAdapter,samkhawse/MTLManagedObjectAdapter,samkhawse/MTLManagedObjectAdapter,redengineer/MTLManagedObjectAdapter,Mantle/MTLManagedObjectAdapter,ServiceNow/MTLManagedObjectAdapter