Ian Tester / Qwiic power injectors - History

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

LiFePO4 14500 power: lots of changes

Trim width of board to 14500 battery holder.
Remove one Qwiic connector.
Adjust layout of D1, D2, and L1.
Change L1 to 18 uH part.
Move C3 to other end of line of parts so that the Batt+ connection from U1 can be shorter and R5 can move closer to U1.
Move LEDs a little further away so C6 can fit better.
Adjust width of several tracks.