updated Motiondetection in examples

example/IMU/Upside_Downside_Detection/Upside_Downside_Detection.ino

@@ -13,7 +13,7 @@ void loop() {
   
   int zvalue = 0; 
   for(int i = 0; i<30;i++){
-  zvalue += dezibot.motionDetection.getAcceleration().z;
+  zvalue += dezibot.motion.detection.getAcceleration().z;
   }
   zvalue = zvalue/30; 
   if(zvalue < -1700){