Support for external control - i.e. remote control support

[TooDissing]

Is your feature request related to a problem? Please describe.
When performing normal playback it is sometimes cumbersome to reach for the phone, table or other playback device to change the track or the volume. It would be great to have support for various remote control capabilities.

Describe the solution you'd like
Possible to connect with various bluetooth based remote controls.

Describe alternatives you've considered
The alternative are physical buttons

Additional context
Add any other context or screenshots about the feature request here.

[TooDissing]

Something like this instructable could be very relevant: https://www.instructables.com/ESP32-Bluetooth-BLE-Remote-Control/.
This GitHub repo are located here: https://github.com/BigJBehr/ESP32-Bluetooth-BLE-Remote-Control

[TooDissing]

https://github.com/happycodelucky/ortho-remote-node

[TooDissing]

https://www.arduino.cc/reference/en/libraries/esp32-ble-midi/

[TooDissing]

https://randomnerdtutorials.com/esp32-ble-server-client/