Watches the given Cinestar movie page. Notifies all registered telegram groups if tickets become availible to buy.
To use this script, you need to initialize the database with db_init.py
TODO: Go more into detail
python3 cinestar-availability-notifier.py https://www.cinestar.de/kino-berlin-imax-im-sony-center/film/untitled-avengers 30 ENDGAME