medienspiegel aktualisiert, kalender-anpassungen

docs/calendar.html

docs/calendar_dark.html

docs/dienstleistungen.md

docs/javascripts/ics_calendar.js

docs/kontakt.md

docs/medienspiegel.md

docs/unterweisungen.md

public/calendar.html

public/calendar_dark.html

public/dienstleistungen/index.html

public/en/calendar.html

public/en/calendar_dark.html

public/en/javascripts/ics_calendar.js

public/en/medienspiegel/index.html

public/feed_rss_created.xml

public/feed_rss_updated.xml

public/javascripts/ics_calendar.js

public/kontakt/index.html

public/medienspiegel/index.html

public/search/search_index.json