Downloader support socks5 proxy about downloader HOT 3 OPEN

var config = new DownloadConfiguration {               
        ParallelDownload = true,   
        ParallelCount = 8,          
        Timeout = 3000,                           
        RequestConfiguration =
        {
            // config and customize request headers
            Accept = "*/*",
            CookieContainer = cookies,           
            Proxy = new WebProxy(new Uri($"socks5://127.0.0.1:9050"))
        }
};