implement join like, easy to config in the application

[k1r0s]

Nowadays the system checks which type of data has the model defaults,

We need to obtain several models with an associate collection, to perform a single request to the database.

This procedure should be configured with the model definition.

A kind of (owner: "n:users"). This is a key : value representation of the relationship between the entity and the other one called "user" which represents the owner attribute.