Add width and height to default.json
Add width and height to default.json

oshaikh13/JS-NetSim,oshaikh13/JS-NetSim,Visonics/JS-NetSim,farrukhshahzad/JS-NetSim,farrukhshahzad/JS-NetSim,Visonics/JS-NetSim,oshaikh13/JS-NetSim,farrukhshahzad/JS-NetSim,Visonics/JS-NetSim