renaming dms and splitting rocketmq to new service

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

otc_metadata/data/services/dms-rocketmq.yaml

@@ -0,0 +1,12 @@
+---
+service_category: application
+service_title: Distributed Message Service (for RocketMQ)
+service_type: dms_rocketmq
+service_uri: distributed-message-service-rocketmq
+teams:
+  - name: docs-paas-rw
+    permission: write
+cloud_environments:
+  - name: eu_de
+    visibility: internal
+is_global: false