We can cast data from request to object or transform object to string (or other type) in response.
Documentation modified and an example project created

…ion. We must add an unique ID field in schema description in order to have a specific schema description for each component

+
Test added coercecomponents.spec.ts
+ example modified in order to expose a date

…xample

- Fix function names serialize and deserialize => To be clear for everybody on which functions are executed on requests and responses, it's now `deserializeRequestComponent` and `serializeResponseComponent`

…-validator