Ian Tester / Qwiic power injectors - History

Update to KiCad 9, use builtin generic symbol and JST SH footprint for QWIIC sockets

Qwiic power terminal double: copy 'external' symbols and footprints into the project

Pololu voltage regulators is used by other boards, so put it in the parent dir.

Remove flood fills from Qwiic power terminal double, use thick traces

add board that takes power from a terminal block and uses a Pololu step-down voltage regulator