Enhance MQTT message handling and add data fetching in Flask app

src/C++/Driver/src/main.cpp

@@ -27,9 +27,11 @@ int main()
     setup();
     std::thread safety([&]() { robot.robotSafety(&message); });
     std::thread sendMqtt([&]() { sendKobukiData(robot.parser.data); });
+    
     while(true){
     parseMQTT(readMQTT());
     }
+    sendMqtt.join();
     safety.join();
     return 0;
 }