fixing AC docs locations and titles

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/documents/ac-blueprints.yaml

@@ -2,7 +2,7 @@
 environment: public
 link: /architecture-center/blueprints/
 pdf_name: architecture-center-blueprints
-rst_location: blueprints/source
+rst_location: doc/blueprints/source
 service_type: ac
-title: Architecture Center Blueprints
+title: Blueprints
 type: blueprints

otc_metadata/data/documents/ac-cloud-adoption-framework.yaml

@@ -2,7 +2,7 @@
 environment: public
 link: /architecture-center/cloud-adoption-framework/
 pdf_name: architecture-center-cloud-adoption-framework
-rst_location: caf/source
+rst_location: doc/caf/source
 service_type: ac
-title: Architecture Center Cloud Adoption Framework
+title: Cloud Adoption Framework
 type: caf

otc_metadata/data/services/ac.yaml

@@ -1,6 +1,9 @@
 ---
 environment: hidden
 repositories:
+- environment: internal
+  repo: docs/architecture-center
+  type: gitea
 - environment: public
   repo: opentelekomcloud-docs/architecture-center
   type: github