pi/BoatSpeedDisplay: A boat speed logger with an E-Ink display getting the speed from a GPS module. @ 7395217386c1e6f51268b501ff387b38857d625d

Thomas Chef 7395217386 Added and printed some number bitmaps. Works		vor 1 Monat
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debug.h	890fc6861b First try. Display works	vor 1 Monat
epd.h	890fc6861b First try. Display works	vor 1 Monat
epd_config.h	890fc6861b First try. Display works	vor 1 Monat
epd_test.h	890fc6861b First try. Display works	vor 1 Monat
fonts.h	890fc6861b First try. Display works	vor 1 Monat
gui_paint.h	890fc6861b First try. Display works	vor 1 Monat
main.h	890fc6861b First try. Display works	vor 1 Monat
number_imgs.h	7395217386 Added and printed some number bitmaps. Works	vor 1 Monat
stm32f1xx_hal_conf.h	890fc6861b First try. Display works	vor 1 Monat
stm32f1xx_it.h	890fc6861b First try. Display works	vor 1 Monat