pcb: move v-cut text to avoid appearing when fab'd

pcb: top: add helper lines for breakaway keys

pcb: top: more/symmetric mouse bite holes

pcb: wide top v-cut for production (less fragile)

Revert "pcb: convert joint between top/bottom to v-score" This reverts commit c1ad268ccf8d00d990148b393a468e0298c2c4ef.

bump date to 2022-09-11

pcb: widen usb cable housing allowance (12->12.47)

spacer: mask over pads

pcb: date to 2022-08-31

pcb: width revert to 287.8 mm