Validate raw data without having to instantiate a structure

[talyssonoc]

We could have a way if some raw data is valid given a structure, it could be a static method like:

const Car = attributes({
  model: String
})(class Car { });

const { valid, errors } = Car.validate({ model: 123 });

valid; // false
errors; // [ { message: '"model" must be a string', path: 'model' } ]

I'm not sure about the API and the name of the method yet.