add note and todo to script.js

www/js/script.js

@@ -4,4 +4,7 @@ window.onload = function () {
                     'The page has finished loading! After 2 second'; */
                     document.getElementById("updateDate").setAttribute("id", "updateDateV");
             }, 2000);
+            // TODO Add timer for glitch
+            // NOTE Track mouse mouvement and show after a percentage of ?
+            // NOTE une page sur deux, ...
         };