Merge branch 'schneider/default-main-master' into 'master'

Documentation/card10-cfg.rst

Documentation/conf.py

Documentation/index.rst

Documentation/pycardium/config.rst

epicardium/epicardium.h

epicardium/modules/config.c

epicardium/modules/usb.c

preload/main.py

preload/menu.py

pycardium/meson.build

pycardium/modules/py/config.py

pycardium/modules/py/meson.build

pycardium/modules/py/simple_menu.py

pycardium/modules/qstrdefs.h

pycardium/modules/sys_config.c

pycardium/mpconfigport.h