try streaming with websockets

src/drone_services/msg/DroneStatus.msg

@@ -2,4 +2,7 @@ float32 battery_percentage
 float32 cpu_usage
 int32 route_setpoint # -1 if no route
 wstring control_mode
-bool armed
+bool armed
+float32 velocity[3]
+float32 position[3]
+bool failsafe