Add debug statement

rpi/controllers/mqtt_forwarder.py

@@ -26,6 +26,7 @@ class MQTTForwarder:
             print(f"An error occurred while forwarding from {src_topic} to {dst_topic}: {e}")
 
     def __wrap_data(self, msg : str):
+        print(msg)
         result = {}
         data = json.loads(msg)
         result["timestamp"] = int(time.time())