Diwali Button effect for tiles

[bhaumikmistry]

We have few buttons in the web-page which are already implemented, we need a new button next to flicker, button named "Diwali"

This features is to celebrate Diwali, festival of lights.

• Add Button Next to Diwali,
• Implement in a different JS file
• Add color full background with 0.5 opacity to all the tile and change the background in few different pattern.
• blinking effect with light to dark background with different colors.
  

Take a look at the project's README.md for more details.