added two TODO questions in app.js
added two TODO questions in app.js

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