Video2X 5.0.0-beta5

• Added support for RealCUGAN ncnn Vulkan
• Added pause function
  • Use the global hotkey Ctrl+Alt+V or send SIGUSR1 to the main process to pause
• Fixed various problems with the progress bar

The container has also been patched so it will run fine on both AMD and NVIDIA GPUs. The required Docker arguments have changed for AMD GPUs. See the Wiki page for more information.