* times for notification changed
* timezone adjustment
* changes to readme
* changed -1 to +1
* changed message and added toggle for default message
* !WebHook works now
* removed unnecessary else bracket
* changed readme
* main.go aktualisieren
* main.go aktualisieren
* detailed changed lessons message
* removed git error
* delete unused
* new changes to notification system
* Accounts.json will now be saved in the accounts directory
* fixed the account creation
* new
* manual timetable update with !update
* WebHook command now also toggles Lesson update message
* added timezonemanagment to timezone fix
* modified README
