Repo 2: Part 1.) Shreedhar updated demos<<dashboard<<canvas_designer.html

part 2.) shivanshu updated demos<<dashboard<<canvas_designer.html and added new file demos<<js<<main.js ////////////////////////////////////////////////////////\\\\\\\\\\\\\\\\\\\\\\\\
part 3.) Else updates : Dashboard again added : screen recorder

Problems: Dashboard occupying too much space : video tags in form of occupancy has to increased : Front_end yet to be added