Tiny Tapeout chip demo boards

• Using this board on fpgas.online: Tiny Tapeout chip demo boards, under User documentation.

• Tiny Tapeout chip demo board overview: what the board is, the shuttles and the controller each uses, and the documents behind these pages.

• Setting up a Tiny Tapeout chip demo board: the wiring to a Raspberry Pi, and how to free the serial port from its daemon.