Update README.md

Calendify Icon Added and some other changes

Remove node_modules directory from repo

"Parsed Schedule" -> "Edit Schedule"

Timezone selector is now running - also updated to include all timezones

reupload button and ics file export is now available and working until further notice

cleaned up calendar

class toggle now works for calendar

cleaned up course names

editing location fields does not affect calendar anymore

fixed toggle section to not have duplicate entries

calendar section now works for my schedule image

cursor changes may 20, will see if this works

tried to convert from manual ocr to using opencv,

kinda works, but gets schedule wrong. will improve