Function async_tungstenite::accept_async_with_config

pub async fn accept_async_with_config<S>(
    stream: S, 
    config: Option<WebSocketConfig>
) -> Result<WebSocketStream<S>, WsError> where
    S: AsyncRead + AsyncWrite + Unpin, 

The same as accept_async() but the one can specify a websocket configuration. Please refer to accept_async() for more details.