Merge branch 'master' of https://git.card10.badge.events.ccc.de/card10/firmware

CHANGELOG.md

Documentation/bluetooth/card10.rst

epicardium/ble/card10.c

epicardium/epicardium.h

epicardium/modules/hardware.c

epicardium/modules/leds.c

lib/card10/leds.c

lib/card10/leds.h

preload/apps/card10_nickname/__init__.py

preload/apps/ecg/__init__.py

pycardium/modules/py/display.py

pycardium/modules/py/leds.py

pycardium/modules/qstrdefs.h

pycardium/modules/sys_leds.c

pycardium/mpconfigport.h