Add more Javascript games.

[ashuray]

Make a folder for the new game and add index.html , script.js , style.css in it.

[praveenscience]

Yay. I am in! 😄

[erf1nd0r]

created PR issue 2

[praveenscience]

Created PR for a missile game: #3.

[praveenscience]

@ashuray Keep accepting merge requests else it will become difficult when Merge Conflicts arise... ☺