attached javascript file to index.html
Revert "attached javascript file to index.html"

This reverts commit 96a8271b13a95e8740581d0aa479ff777826997c.
attached files to index page

linked the javascript and css file to index.html
added css

added css to style h1 tags: larger font size and a non-black color.
added javascript

added alert("Hello") to js/script.js