Add metadata for OMS - Object Storage Migration Service

Adds service metadata for OMS (Object Storage Migration Service)
in the storage category, including API and UMN document types.

Resolves #101

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

@@ -0,0 +1,13 @@
+---
+hc_location: api/oms
+html_location: docs/oms/api-ref
+link: /object-storage-migration-service/api-ref/
+rst_location: api-ref/source
+service_type: oms
+title: API Reference
+type: api-ref
+cloud_environments:
+  - name: eu_de
+    visibility: public
+    pdf_visibility: public
+    pdf_enabled: true

otc_metadata/data/documents/oms-umn.yaml

@@ -0,0 +1,13 @@
+---
+hc_location: usermanual/oms
+html_location: docs/oms/umn
+link: /object-storage-migration-service/umn/
+rst_location: umn/source
+service_type: oms
+title: User Guide
+type: umn
+cloud_environments:
+  - name: eu_de
+    visibility: public
+    pdf_visibility: public
+    pdf_enabled: true

otc_metadata/data/repositories/oms.yaml

@@ -0,0 +1,13 @@
+---
+service_type: oms
+repositories:
+  - environment: public
+    repo: opentelekomcloud-docs/object-storage-migration-service
+    type: github
+    cloud_environments:
+      - eu_de
+  - environment: internal
+    repo: docs/object-storage-migration-service
+    type: gitea
+    cloud_environments:
+      - eu_de

otc_metadata/data/services/oms.yaml

@@ -0,0 +1,14 @@
+---
+service_category: storage
+service_title: Object Storage Migration Service
+service_type: oms
+service_uri: object-storage-migration-service
+jira_component: OMS
+teams:
+  - name: docs-storage-rw
+    permission: write
+cloud_environments:
+  - name: eu_de
+    visibility: public
+is_global: false
+description: Object Storage Migration Service (OMS) is a migration tool that helps migrate data from on-premises object storage or third-party cloud object storage to Object Storage Service (OBS).