message: docs: update errors to formState examples
diff: @@ -82,7 +82,7 @@ type FormValues = {
  key4: NestedValue<string[]>
  };
  -const { errors } = useForm<FormValues>();
  +const { formState: { errors } } = useForm<FormValues>();
  errors?.key1?.message // no type error
  errors?.key2?.message // no type error
  @@ -120,7 +120,7 @@ const resolver: Resolver<FormValues> = async (values) => {
  };
  export default function App() {
  - const { register, handleSubmit, errors } = useForm<FormValues>({ resolver });
  + const { register, handleSubmit, formState: { errors } } = useForm<FormValues>({ resolver });
  const onSubmit = handleSubmit((data) => console.log(data));
  return (
  