adding rfs metadata

Reviewed-by: Gode, Sebastian <sebastian.gode@t-systems.com>
Co-authored-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-committed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>

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

@@ -0,0 +1,10 @@
+---
+hc_location: api/rfs
+environment: internal
+html_location: docs/rfs/api-ref
+link: /resource-formation-service/api-ref/
+pdf_name: rfs-api-ref
+rst_location: api-ref/source
+service_type: rfs
+title: API Reference
+type: api-ref