Add ESW as service (#64)

Reviewed-on: #64
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Sebastian Gode <sebastian.gode@telekom.de>
Co-committed-by: Sebastian Gode <sebastian.gode@telekom.de>

otc_metadata/data/documents/esw-umn.yaml

@@ -0,0 +1,13 @@
+---
+hc_location: usermanual/esw
+html_location: docs/esw/umn
+link: /enterprise-switch/umn/
+rst_location: umn/source
+service_type: esw
+title: User Guide
+type: umn
+cloud_environments:
+  - name: eu_de
+    visibility: internal
+    pdf_visibility: public
+    pdf_enabled: true