s3s-fs: main: better display

    // Run server

    let listener = TcpListener::bind((opt.host.as_str(), opt.port))?;

    let server = Server::from_tcp(listener)?.serve(service.into_shared().into_make_service());

    let local_addr = listener.local_addr()?;

    info!("server is running at http://{}:{}/", opt.host, opt.port);

    let task = tokio::spawn(server);

    let server = Server::from_tcp(listener)?.serve(service.into_shared().into_make_service());

    tokio::signal::ctrl_c().await?;

    task.abort();

    info!("server is running at http://{local_addr}");

    server.with_graceful_shutdown(shutdown_signal()).await?;

    info!("server is stopped");

    Ok(())

}

async fn shutdown_signal() {

    let _ = tokio::signal::ctrl_c().await;

}