Improve iCal header for the other files, too

_layouts/eventcal.ics

@@ -4,6 +4,9 @@ type: text/calendar
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
+X-WR-CALNAME:Chaotikum
+X-WR-CALDESC:Termine des Chaotikum e.V.
+CALSCALE:GREGORIAN
 PRODID:http://www.example.com/
 METHOD:PUBLISH
 BEGIN:VEVENT

augenpruefraum.ics

@@ -4,27 +4,11 @@ type: text/calendar
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
+X-WR-CALNAME:Chaotikum
+X-WR-CALDESC:Termine des Chaotikum e.V.
 CALSCALE:GREGORIAN
 PRODID:https://chaotikum.org/
 METHOD:PUBLISH
-BEGIN:VTIMEZONE
-TZID:Europe/Berlin
-X-LIC-LOCATION:Europe/Berlin
-BEGIN:DAYLIGHT
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0100
-DTSTART:19701025T030000
-TZNAME:CET
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
-END:DAYLIGHT
-BEGIN:STANDARD
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0200
-TZNAME:CEST
-DTSTART:19700329T020000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
-END:STANDARD
-END:VTIMEZONE
 {% for event in site.events %}{% if event.locations contains 'Augenprüfraum' %}BEGIN:VEVENT
 UID:{{ event.uid }}
 ORGANIZER;CN={% if event.organizer and event.organizer != "" and event.organizer != nil %}{{event.organizer}}{% else %}Chaotikum e.V.{% endif %}:MAILTO:{{event.contact}}

lager.ics

@@ -4,27 +4,11 @@ type: text/calendar
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
+X-WR-CALNAME:Chaotikum
+X-WR-CALDESC:Termine des Chaotikum e.V.
 CALSCALE:GREGORIAN
 PRODID:https://chaotikum.org/
 METHOD:PUBLISH
-BEGIN:VTIMEZONE
-TZID:Europe/Berlin
-X-LIC-LOCATION:Europe/Berlin
-BEGIN:DAYLIGHT
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0100
-DTSTART:19701025T030000
-TZNAME:CET
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
-END:DAYLIGHT
-BEGIN:STANDARD
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0200
-TZNAME:CEST
-DTSTART:19700329T020000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
-END:STANDARD
-END:VTIMEZONE
 {% for event in site.events %}{% if event.locations contains 'Lager' %}BEGIN:VEVENT
 UID:{{ event.uid }}
 ORGANIZER;CN={% if event.organizer and event.organizer != "" and event.organizer != nil %}{{event.organizer}}{% else %}Chaotikum e.V.{% endif %}:MAILTO:{{event.contact}}

wartezimmer.ics

@@ -4,27 +4,11 @@ type: text/calendar
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
+X-WR-CALNAME:Chaotikum
+X-WR-CALDESC:Termine des Chaotikum e.V.
 CALSCALE:GREGORIAN
 PRODID:https://chaotikum.org/
 METHOD:PUBLISH
-BEGIN:VTIMEZONE
-TZID:Europe/Berlin
-X-LIC-LOCATION:Europe/Berlin
-BEGIN:DAYLIGHT
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0100
-DTSTART:19701025T030000
-TZNAME:CET
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
-END:DAYLIGHT
-BEGIN:STANDARD
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0200
-TZNAME:CEST
-DTSTART:19700329T020000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
-END:STANDARD
-END:VTIMEZONE
 {% for event in site.events %}{% if event.locations contains 'Wartezimmer' %}BEGIN:VEVENT
 UID:{{ event.uid }}
 ORGANIZER;CN={% if event.organizer and event.organizer != "" and event.organizer != nil %}{{event.organizer}}{% else %}Chaotikum e.V.{% endif %}:MAILTO:{{event.contact}}