Update index.html
Merge branch 'gh-pages'
Final Version
Merge branch 'master' of https://github.com/tonk0006/MAD9013-ex1
Merge branch 'master' into gh-pages
Some corrections after validations

Still some questions remain
Merge branch 'gh-pages' of https://github.com/tonk0006/MAD9013-ex1 into gh-pages