remove news + update calendar,js

docs/data/calendar.ics

docs/javascripts/ics_calendar.js

docs/javascripts/ics_calendar2.js

docs/medien/2021-04-01a.mp4

docs/medien/2021-04-08a.mp4

docs/medien/2021-09-16a.jpg

docs/medien/2021-09-16b.jpg

docs/medien/2021-09-16c.jpg

docs/medien/2021-11-21a.mp4

docs/medien/2021-11-21c.jpg

docs/medien/2022-08-02a.mp4

docs/medien/2022-09-02a.MP4

docs/medien/2022-09-20a.mp4

docs/medien/2022-10-10a.mp4

docs/medien/2022-12-01a.mp4

docs/news/21-04-01_Teamprojekt.md

docs/news/21-04-08_Teamfoto.md

docs/news/21-04-15_Das-Makerspace-Team.md

docs/news/21-09-16_360_ws.md

docs/news/21-11-21_vr.md