Function start_local_surfnet 

pub async fn start_local_surfnet(
    surfnet_svm: SurfnetSvm,
    config: SurfpoolConfig,
    simnet_commands_tx: Sender<SimnetCommand>,
    simnet_commands_rx: Receiver<SimnetCommand>,
    geyser_events_rx: Receiver<GeyserEvent>,
) -> Result<(), Box<dyn Error>>