~ruther/vhdl-spi-2

ref: e9f10c1ef38e201d7a475ca12c49aaf876453b6d vhdl-spi-2/stm_spi_funduino/devices/STM32F401xE d---------
ff6a0bdf — Rutherther 9 months ago 
feat(stm spi): add stm spi project

The spi slave project that will receive numbers over spi