provide internal function to "normalize" "data" result

[aprilmintacpineda]

See an example of an existing similar functionality: https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/modules/_aws_sdk_util_dynamodb.html#unmarshall-1

When we fetch a record from fauna, we get things like Ref, which we obviously have to manually "normalize" before returning the data to the frontend, like so:

return {
  statusCode: 200,
  body: {
    data: posts.data.map(item => {
      return {
        ...item.data,
        id: item.ref.id
      };
    })
  }
};

ideally, fauna-js should have a built-in function to normalize deeply nested such data.