changed whiteboard to itlabs.at domain

Gemfile

@@ -4,6 +4,5 @@ source "https://rubygems.org"
 
 # gem "rails"
 
-gem "jekyll-paginate", "~> 1.1"
-
-gem "jemoji", "~> 0.13.0"
+gem "jekyll-paginate"
+gem "jemoji"

_data/nav.yml

@@ -8,10 +8,13 @@ list:
   - title: "Hedgedoc"
     url: https://hedgedoc.itlabs.at/euG-i3V9T12SKXVREOEDlA#
     img: "/assets/images/NOTEP001.PNG"
+  - title: "Whiteboard"
+    url: https://whiteboard.itlabs.at/
+    img: "/assets/images/WINTU008.PNG"
   - title: "Wiki"
     url: https://wiki.itlabs.at/
     img: "/assets/images/WINTU008.PNG"
-  - title: "Dokumente"
+  - title: "Unterlagen"
     url: https://data.koneko.at/s/LyrGDqjRYKnEfXd
     img: "/assets/images/WINFI001.PNG"
   - title: "Abgaben"
@@ -25,4 +28,4 @@ list:
     img: "/assets/images/PROGM031.PNG"
   - title: "Discord"
     url: https://discord.gg/QRRF8cE
-    img: "/assets/images/PROGM026.PNG"
+    img: "/assets/images/PROGM026.PNG"