Added metadata with c

otc_metadata/data/documents/cse-api-ref.yaml

@@ -0,0 +1,13 @@
+---
+hc_location: api/cse
+html_location: docs/cse/api-ref
+link: /cloud-service-engine/api-ref/
+rst_location: api-ref/source
+service_type: cse
+title: API Reference
+type: api-ref
+cloud_environments:
+  - name: eu_de
+    visibility: internal
+    pdf_visibility: public
+    pdf_enabled: true