Implement Jekyll again

Done again as navigation drawer wasn't closing when it was supposed to

luhn-algorithm/script.js

@@ -1,6 +1,3 @@
-// set page title
-window.page_title = "Luhn Algorithm | Matthew Grove";
-
 document.addEventListener("keyup", function(event) {
     // stop any code that may normally run when enter key pressed
     event.preventDefault();