Add png signs

...cations-schilderhalter-1-og-foyer-m6-catering-co-left.png

...ations-schilderhalter-1-og-foyer-m6-catering-co-right.png

...37c3-locations-schilderhalter-1-og-foyer-m6-kidsspace.png

...3-locations-schilderhalter-1-og-foyer-m6-you-are-here.png

signs_png/37c3-locations-schilderhalter-1-og-poc-cert.png

.../37c3-locations-schilderhalter-1-og-poc-chaospatinnen.png

signs_png/37c3-locations-schilderhalter-1-og-poc-heaven.png

...ocations-schilderhalter-1-og-poc-speakerdesk-kidspace.png

...g/37c3-locations-schilderhalter-1-og-poc-you-are-here.png

...7c3-locations-schilderhalter-1-og-treppen-cert-spaeti.png

...locations-schilderhalter-1-og-treppen-heaven-infodesk.png

...s_png/37c3-locations-schilderhalter-1-og-treppen-logo.png

...7c3-locations-schilderhalter-1-og-treppen-photopolicy.png

...ions-schilderhalter-1-og-treppen-speakersdesk-poc-gsm.png

...-schilderhalter-1-og-treppen-voc-mediacccde-and-chill.png

...c3-locations-schilderhalter-2-og-assemblies-cert-left.png

...3-locations-schilderhalter-2-og-assemblies-cert-right.png

...-locations-schilderhalter-2-og-assemblies-photopolicy.png

...s-schilderhalter-2-og-assemblies-spaeti-hinten-rechts.png

...locations-schilderhalter-2-og-assemblies-you-are-here.png