feature-mqtt: add hop_start and hop_limit to MQTT uplink

src/mqtt/MQTT.cpp

@@ -902,7 +902,9 @@ std::string MQTT::meshPacketToJson(meshtastic_MeshPacket *mp)
         jsonObj["snr"] = new JSONValue((float)mp->rx_snr);
     if (mp->hop_start != 0 && mp->hop_limit <= mp->hop_start)
         jsonObj["hops_away"] = new JSONValue((unsigned int)(mp->hop_start - mp->hop_limit));
-
+    jsonObj["hop_start"] = new JSONValue((unsigned int)(mp->hop_start));
+    jsonObj["hop_limit"] = new JSONValue((unsigned int)(mp->hop_limit));
+    
     // serialize and write it to the stream
     JSONValue *value = new JSONValue(jsonObj);
     std::string jsonStr = value->Stringify();