~ruther/vhdl-i2c

ref: 9424c7dd54ee182e7d5b476d8e4bb49650fe05ec vhdl-i2c/vivado/nsv_i2c.srcs/constrs_1 d---------
tests: add mcu tests working with slave top designs
chore: add Vivado project for Basys 3 board
Do not follow this link