Function postgres_es::postgres_snapshot_cqrs

pub fn postgres_snapshot_cqrs<A, E>(
    conn: Connection, 
    query_processor: Vec<Box<dyn QueryProcessor<A, E>>>
) -> PostgresSnapshotCqrs<A, E> where
    A: Aggregate,
    E: DomainEvent<A>, 

A convenience function for creating a CqrsFramework using a snapshot store