add new service APM to metadata

Reviewed-by: Gode, Sebastian <sebastian.gode@t-systems.com>
Co-authored-by: tischrei <tino.schreiber@t-systems.com>
Co-committed-by: tischrei <tino.schreiber@t-systems.com>

otc_metadata/data/services/apm.yaml

@@ -0,0 +1,16 @@
+---
+environment: public
+repositories:
+- environment: internal
+  repo: docs/application-performance-management
+  type: gitea
+- environment: public
+  repo: opentelekomcloud-docs/application-performance-management
+  type: github
+service_category: md
+service_title: Application Performance Management
+service_type: apm
+service_uri: application-performance-management
+teams:
+- name: docs-orchestration-rw
+  permission: write