File _service of Package Upscaler

<services>
  <service name="download_url">
    <param name="host">github.com</param>
    <param name="protocol">https</param>
    <param name="path">/xinntao/Real-ESRGAN/releases/download/v0.2.5.0/realesrgan-ncnn-vulkan-20220424-ubuntu.zip</param>
  </service>
</services>