~ruther/vhdl-spi-2

ref: c7e760505de065eff00a855e1ebf55c0bbe8e192 vhdl-spi-2/stm_spi_funduino/devices d---------
ff6a0bdf — Rutherther 6 months ago 
feat(stm spi): add stm spi project

The spi slave project that will receive numbers over spi
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