Merge master

CHANGELOG.md

Documentation/bluetooth/card10.rst

Documentation/pycardium/gpio.rst

Documentation/pycardium/simple_menu.rst

epicardium/ble/card10.c

epicardium/ble/filetransfer.c

epicardium/ble/uart.c

epicardium/epicardium.h

epicardium/main.c

epicardium/meson.build

epicardium/modules/config.c

epicardium/modules/config.def

epicardium/modules/config.h

epicardium/modules/gpio.c

epicardium/modules/hardware.c

epicardium/modules/leds.c

epicardium/modules/lifecycle.c

epicardium/modules/meson.build

epicardium/modules/usb.c

lib/card10/leds.c