[Feature Request] Support Player LED support?

[LeeNX]

Please can we look at possible support some like Player ID LED Support, something like the PS3 LED 1 to 4 or the PS4 Colour bar?

I have looked at this and my very basic C/BLE knowledge has me banging my head against a very hard brick wall ;-\

Some of my investigation with some suggests, like possible using the keyboard LED none-support - https://github.com/T-vK/ESP32-BLE-Keyboard/blob/928c09320e3e6e344a63640c7de21d52a20c1d47/KeyboardOutputCallbacks.cpp#L14.

but I would not know how to use this ... Or I mean, I don't see how this hooks back into the code base, so I can connect LEDs to the reply, or turn this into a function to poll the LEDs as needed.

Making a branch for SDL2, with a Generic Controller, using HID over BLE, to setup Player ID - https://github.com/LeeNX/SDL-mirror/tree/generic