adding sd api-ref and fixing sd umn (#97)

Co-authored-by: vladimirhasko <vladimirhasko@gmail.com>
Reviewed-on: infra/otc-metadata-rework#97
Reviewed-by: Gode, Sebastian <sebastian.gode@t-systems.com>

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

@@ -0,0 +1,18 @@
+---
+hc_location: api/sd
+html_location: docs/sd/api-ref
+link: /status-dashboard/api-ref/
+rst_location: api-ref/source
+service_type: sd
+title: API Reference
+type: api-ref
+disable_import: true
+cloud_environments:
+  - name: eu_de
+    visibility: internal
+    pdf_visibility: internal
+    pdf_enabled: true
+  - name: swiss
+    visibility: internal
+    pdf_visibility: internal
+    pdf_enabled: true

otc_metadata/data/documents/sd-umn.yaml

@@ -8,6 +8,10 @@ title: User Guide
 type: umn
 disable_import: true
 cloud_environments:
+  - name: eu_de
+    visibility: public
+    pdf_visibility: public
+    pdf_enabled: true
   - name: swiss
     visibility: public
     pdf_visibility: public