Added setuptools as requirement

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

otc_metadata/data/service_categories/database.yaml

@@ -1,3 +1,3 @@
 ---
 name: database
-title: Database
+title: Databases

otc_metadata/templates/doc_requirements.txt.j2

@@ -1,8 +1,15 @@
 sphinx>=2.0.0,!=2.1.0 # BSD
+{% if target_environment == 'public' %}
+otcdocstheme<1.0.0 # Apache-2.0
+{% elif target_environment == 'internal' %}
 otcdocstheme # Apache-2.0
+{% else %}
+otcdocstheme # Apache-2.0
+{% endif %}
 # releasenotes
 reno>=3.1.0 # Apache-2.0
 
 otc-sphinx-directives>=0.1.0
 sphinx-minify>=0.0.1 # Apache-2.0
 git+https://gitea.eco.tsi-dev.otc-service.com/infra/otc-metadata-swiss.git#egg=otc_metadata
+setuptools

tools/generate_doc_confpy.py

@@ -247,6 +247,8 @@ def process_repositories(args, service):
                 doc["type"] = "dev-guide"
             context["docs"].append(doc)
 
+        context["target_environment"] = args.target_environment
+
         tox_ini_content = tox_ini_template.render(**context)
         tox_ini_path = pathlib.Path(copy_to, "tox.ini")
         doc_requirements_content = doc_requirements_template.render(**context)
@@ -323,6 +325,7 @@ def main():
     parser.add_argument(
         "--target-environment",
         required=True,
+        choices=["internal", "public"],
         help="Environment to be used as a source",
     )
     parser.add_argument("--service-type", help="Service to update")