hw: add two small areas of unmasked GND plane for oscilloscope clip

hw: add place for owner name

hw: move parts away from pins

hw: fix jst connectors drill (motor connectors) and pad size (iServo connectors), move bottom pinheads to left to make enough space for iServo connectors

hw: disconnect 3V3_EN and D11 (this connection prevents main step-down IM1 from startup)

hw: change resistors R20 - R23 valu to 2k2 (VUSB and ESP_+5V power LED resistors)

hw: change version to v1.2

hw: change size of holes for USBC connector - library `USB.lbr` - footprint `USB_C_8PIN` - change holes size from 0.35 mm to 0.30 mm to fit JLCPCB requirements

hw: improve silkscreen texts

hw: remove bottom mask under DRV8833s center pad