Chrono-to-ics

Description

this is a app that converts chorono-factorem calendars to ics format to be used in various calendar apps like google calendar , Kalendar.

fetching data from chrono-factorem api
parsing the data and linking the data from different api to a single storage struct.
fetching holidays and days when timetable is changed.
writing to the .ics file using ical crate.
storage of holidays.json.
gui for the app.