Bluetooth pass-through script, for passing a USB device through a Raspberry Pi as a bluetooth device. For example, passing a USB N64 Gamepad through a Raspberry Pi, as Bluetooth controller to RetroPie.
Based on https://github.com/Mqrius/BluePloverPi and updates from https://github.com/tknapstad/BluePloverPi.