diff --git a/services/communication/_category_.yml b/services/communication/_category_.yml
new file mode 100644
index 0000000..de171ca
--- /dev/null
+++ b/services/communication/_category_.yml
@@ -0,0 +1,10 @@
+position: 4 # float position is supported
+label: 'Kommunikation'
+collapsible: true # make the category collapsible
+collapsed: false # keep the category open by default
+className: red
+link:
+  type: generated-index
+  title: Kommunikation
+  description: .
+  slug: /kommunikation
\ No newline at end of file
diff --git a/services/data/_category_.yml b/services/data/_category_.yml
new file mode 100644
index 0000000..05d7fb4
--- /dev/null
+++ b/services/data/_category_.yml
@@ -0,0 +1,10 @@
+position: 4 # float position is supported
+label: 'Daten'
+collapsible: true # make the category collapsible
+collapsed: false # keep the category open by default
+className: red
+link:
+  type: generated-index
+  title: Daten
+  description: .
+  slug: /daten
\ No newline at end of file
diff --git a/services/development/_category_.yml b/services/development/_category_.yml
new file mode 100644
index 0000000..ab9eeba
--- /dev/null
+++ b/services/development/_category_.yml
@@ -0,0 +1,10 @@
+position: 4 # float position is supported
+label: 'Entwicklung'
+collapsible: true # make the category collapsible
+collapsed: false # keep the category open by default
+className: red
+link:
+  type: generated-index
+  title: Entwicklung
+  description: .
+  slug: /entwicklung
\ No newline at end of file