* add heltec-v4-r8 board * Fixed default SPI pin and macro definition errors. * update platformio.ini according device-ui LGFX display definitions Co-authored-by: Copilot <copilot@github.com> * fix commit reference --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com> Co-authored-by: mverch67 <manuel.verch@gmx.de> Co-authored-by: Copilot <copilot@github.com> Co-authored-by: Manuel <71137295+mverch67@users.noreply.github.com>