add lora send bypass for debugging

src/lora_transport.cpp

@@ -30,6 +30,9 @@ void lora_init() {
 }
 
 bool lora_send(const LoraPacket &pkt) {
+  if (LORA_SEND_BYPASS) {
+    return true;
+  }
   uint8_t buffer[5 + LORA_MAX_PAYLOAD + 2];
   size_t idx = 0;
   buffer[idx++] = pkt.protocol_version;