All credit to RPi_Mike + bemused for libmpv tweak

Just hosting it here for convenience

Changed to RPi_Mike's script:

• Applied changes described by bemused
• Moved directories:
  • /home/pi/Vidware_Downloads -> ~/.local/var/Vidware_Downloads
  • /home/pi/Vidware_Build -> ~/.local/src/Vidware_Build
  • /home/pi/Vidware_Packages -> ~/.local/opt/Vidware_Packages