Enhanced support for the @Deprecated annotation.

**Is your feature request related to a problem? Please describe.**
Many applications evolve over time and this also means that Models are getting deprecated and aren't used anymore. By supporting this annotation we introduce a clear way for the engineer and ORM to handle this.

**Describe the solution you'd like**

- The auto migrator should ignore the annotated models **if the table doesn't exist already**.
- The ORM model should still be functional, if the table exists else the methods do nothing/return empty.

**Describe alternatives you've considered**
Check the annotation myself and don't make calls to the ORM methods.

**Additional Context**
The annotation has the RUNTIME RetentionPolicy and is therefore accessible at runtime.

Inizia individuando i punti di ingresso dell’auto migrator e dei modelli ORM, quindi esamina come vengono attualmente gestite le annotazioni a runtime e le tabelle mancanti. Verifica il comportamento richiesto per i modelli deprecati: le tabelle esistenti rimangono utilizzabili, mentre le tabelle assenti vengono ignorate e i metodi ORM non fanno nulla o restituiscono risultati vuoti.

Scritto dal modello di indicizzazione a partire dal testo della issue.