Update positions in navigation

docs/services/_category_.yml

@@ -1,7 +1,7 @@
-position: 15 # float position is supported
+position: 2 # float position is supported
 label: 'Services und Dienste'
 collapsible: true # make the category collapsible
-collapsed: true # keep the category open by default
+collapsed: false # keep the category open by default
 className: red
 link:
   type: generated-index