Add a sample of new GUI
add Responsive design for page
change table style of modern.css
new look, all logic in total.js, can run basically
a basic version
before change
change table into li
added test icons
folders sidebar
wip message pane & refactored folder pane
homework list
notifications
unread count
important
iframe
icon
update gui_main_update function, no js inject still...
add js on html, change logic of add star. add welcome page.
add simple user token manage
modal