Added Mute, Pause and Fullscreen functionalities

[vishalparida]

Added mute, pause and full screen functionalities using the appropriate icons that toggle with every click. Arranged them properly next to the game display area. Made necessary changes in the html, css and js file SOLVED Issue #5

[ANKITy102]

Added mute, pause and full screen functionalities using the appropriate icons that toggle with every click. Arranged them properly next to the game display area. Made necessary changes in the html, css and js file SOLVED Issue #5

@vishalparida
Change the position of buttons so that it looks more attractive. It is on the face of snake that doesn't look good. You can also change the background image with some better background.

[vishalparida]

Added mute, pause and full screen functionalities using the appropriate icons that toggle with every click. Arranged them properly next to the game display area. Made necessary changes in the html, css and js file SOLVED Issue #5

@vishalparida Change the position of buttons so that it looks more attractive. It is on the face of snake that doesn't look good. You can also change the background image with some better background.

Hey @ANKITy102, I corrected the positioning in my new pull request... Please review the changes.

[ANKITy102]

@vishalparida, Please don't create new pull request for same issue.