fixing metadata.yaml and adding new service directories

Reviewed-by: gtema <artem.goncharov@gmail.com>
Co-authored-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-committed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>

metadata.yaml

@@ -1,6 +1,6 @@
 # Auto-generated by otc_metadata.generate_docexports.data
 categories:
-  security:
+  security-services:
     - service_title: Anti DDoS
       service_type: antiddos
       docs:
@@ -552,6 +552,20 @@ categories:
           type: umn
           pdf_name: lts-umn
       repository: docs/log-tank-service
+    - service_title: Resource Management Service
+      service_type: rms
+      docs:
+        - html_location: docs/rms/api-ref
+          rst_location: api-ref/source
+          title: API Reference
+          type: api-ref
+          pdf_name: rms-api-ref
+        - html_location: docs/rms/umn
+          rst_location: umn/source
+          title: User Guide
+          type: umn
+          pdf_name: rms-umn
+      repository: docs/resource-management-service
     - service_title: Resource Template Service
       service_type: rts
       docs:
@@ -713,8 +727,8 @@ categories:
           type: umn
           pdf_name: drs-umn
       repository: docs/data-replication-service
-    - service_title: "GaussDB Enterprise-class Distributed Database compatible with\
-        \ MySQL\n"
+    - service_title: GaussDB Enterprise-class Distributed Database compatible with
+        MySQL
       service_type: gaussdb_mysql
       docs:
         - html_location: docs/gaussdb_mysql/api-ref
@@ -737,8 +751,8 @@ categories:
           type: umn
           pdf_name: gauss_nosql
       repository: docs/gaussdb-nosql
-    - service_title: "GaussDB Enterprise-grade Relational Database on the openGauss\
-        \ ecosystem\n"
+    - service_title: GaussDB Enterprise-grade Relational Database on the openGauss
+        ecosystem
       service_type: opengauss
       docs:
         - html_location: docs/opengauss/api-ref