Update README.md

README.md

@@ -1,6 +1,8 @@
 # object_detection_pkg
 ## Requirements
-
+* Intstall the JSON Parser Library JsonCpp
+``` sudo apt-get update
+sudo apt-get install libjsoncpp-dev```
 
 ## Procedure
 1. Launch the ```roslaunch realsense2_camera rs_camera.launch```. The object_detection_pkg subscribes to the /camera/color/image_raw publisher for live camera feed used for object detection .For more information on setting up the camera reference the [Sensorland](https://github.com/IcebergASV/Sensorland).