* lay groundwork for a possible future architecture
* switch from feature opt-out to feature opt-in
* lay groundwork for a possible future architecture
* switch from feature opt-out to feature opt-in
* fix USE_RTC in variant.h for rak4631_epaper and t-echo
* ensure Screen.h is not included without configuration.h
Co-authored-by: Peter Lawrence <12226419+majbthrd@users.noreply.github.com>
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
