make lora32_cfg_t.channels (FHSS) a pointer
implement reading ModemStatus register
add 5v line to VIN selection circuit
add battery pass-through notch
relocated GND on external header
relocated GND on external header
Opted to group GND with 5V, this will be a more likely external power setup
add bypass or diable jumper for battery charge
add bypass or diable jumper for battery charge