code cleanup

bug fix

fix logout

redirect fix

bug fix

fix case issue

Added logout button on home screen and home link

Added Info for Contest Winners

Added SWAG files

Leaderboard visual improvement (microsoft#30)

* Fixed PHP handle error

* Added responsive styles to leaderBoard (microsoft#18)

* removed php insights

* Fix responsive footer styles (microsoft#19)

* Added responsive styles to leaderBoard

* Fix responsive footer styles

Co-authored-by: Carlos de Miguel <demiguelferrerocarlos@gmail.com>