Added testservice

otc_metadata/data/services/testservice.yaml

@@ -0,0 +1,12 @@
+---
+environment: public
+is_global: false
+service_category: security-services
+service_title: Test Service
+service_type: testservice
+service_uri: testservice
+cloud_environments:
+  - name: eu_de
+teams:
+  - name: docs-security-services-rw
+    permission: write