Update otc_metadata/data/services/README.md (#90)

Reviewed-on: #90
Reviewed-by: Tino Schreiber <tino.schreiber@t-systems.com>

otc_metadata/data/services/README.md

@@ -10,6 +10,7 @@ service_category: compute
 service_title: Elastic Cloud Server
 service_type: ecs
 service_uri: elastic-cloud-server
+jira_component: ECS
 teams:
   - name: docs-compute-rw
     permission: write
@@ -30,6 +31,7 @@ is_global: false
 | `service_title`      | string  | Display name of the service.                                          |
 | `service_type`       | string  | Unique identifier used across all metadata.                           |
 | `service_uri`        | string  | URI component used in documentation links.                            |
+| `jira_component`     | string  | Component name registered in JIRA (Capital letters).                  |
 | `cloud_environments` | list    | List of cloud regions and their visibility settings.                  |
 | `teams`              | list    | Contributor teams with write or read access.                          |