Merge branch 'day6shuttle' into 'main'

Ergänze bassliner shuttle for Sunday

See merge request !97

docs/travel.md

@@ -58,6 +58,7 @@ The [Deutschlandticket](https://www.bahn.de/angebot/regio/deutschland-ticket) co
 
 ## via bus
 
+**On Sunday the 20th (Day 6) there will be from 9am to 3pm additionally to the connections listed below a shuttle bus going back and forth between Camp and Gransee station. It will leave at the bus station near the main entrance and will leave without a fixed schedule with an expect round trip time of 30 minutes**.
 
 There will be a bus service between Gransee, Zehdenick and the campground on a hourly basis starting on Monday, August 14th. * _If you arrive **before Monday, August 14th:** Call OVG-Leitstelle at least 90 minutes before your arrival at the respective station, so they can schedule an appropriate bus size: +49 3306/2307. The earlier, the better. This is mandatory, because before Monday, the bus service is on-demand and might not be able to serve unannounced travellers._