Support Data Classes Generation (A.K.A POPO/DTO)

[slavaatsig]

Defining JSON schema in JSL is very similar to defining your data class (DTO/POPO) using the attrs library but JSL only gives you JSON schema for validation.

Once payload was validated using JSL object it would make sense to work with data using data class rather than a big dictionary.

It would be super awesome to marry JSL with Attrs and have an ability not only having JSON schema generation but also a data class using the attrs library.