added socketio to package.json
added socketio to package.json

saikiran7949/MakerNode,JulianVolodia/MakerNode,saikiran7949/MakerNode,IntelOpenDesign/MakerNode,JulianVolodia/MakerNode,JulianVolodia/MakerNode,IntelOpenDesign/MakerNode,saikiran7949/MakerNode