Add optional battery thresholds for repeat and flood forwarding

src/Packet.cpp

@@ -17,6 +17,7 @@ Packet::Packet() {
   radio_bound = false; radio_local = true;
   tx_radio = RADIO_TX_AUTO;
   radio_reply = radio_reply_force = false;
+  forwarded = false;
 #if defined(WITH_UDP_BRIDGE)
   udp_bridge_ingress = false;
 #endif
@@ -88,6 +89,7 @@ bool Packet::readFrom(const uint8_t src[], uint8_t len) {
   header = src[i++];
   tx_radio = RADIO_TX_AUTO;
   radio_reply = radio_reply_force = false;
+  forwarded = false;
 #if defined(WITH_UDP_BRIDGE)
   udp_bridge_ingress = false;
 #endif