Added localStorage support for highscore. When the browser gets closed or the user refreshes the web app, the highscore is not lost.
Added localStorage support for highscore. When the browser gets closed or the user refreshes the web app, the highscore is not lost.

Safi1012/Safi1012.github.io,Safi1012/Safi1012.github.io,Safi1012/ResponsiveSnake,Safi1012/ResponsiveSnake