Function connect_with 

pub async fn connect_with<T, C>(
    config: SessionConfig,
    transport_config: TransportConfig,
    transport: T,
    codec: C,
) -> Result<SessionHandle, SessionError>
where
    T: Transport,
    C: Codec,

Connect with a custom transport and codec.

This is the generic entry point that accepts any Transport + Codec implementation. The default connect delegates here with TungsteniteTransport and JsonCodec.