enable lts

Reviewed-by: Hasko, Vladimir <vladimir.hasko@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/lts-api-ref.yaml

@@ -1,5 +1,5 @@
 ---
-environment: internal
+environment: public
 hc_location: api/lts
 html_location: docs/lts/api-ref
 link: /log-tank-service/api-ref/

otc_metadata/data/documents/lts-umn.yaml

@@ -1,5 +1,5 @@
 ---
-environment: internal
+environment: public
 hc_location: usermanual/lts
 html_location: docs/lts/umn
 link: /log-tank-service/umn/

otc_metadata/data/services/lts.yaml

@@ -1,5 +1,5 @@
 ---
-environment: internal
+environment: public
 repositories:
 - environment: internal
   repo: docs-swiss/log-tank-service

otc_metadata/templates/conf.py.j2

@@ -145,6 +145,11 @@ latex_elements = {
   'papersize': 'a4paper',
   'pointsize': '12pt',
   'figure_align': 'H',
-  'preamble': r'\newcommand{\githash}{' + current_commit_hash + '}',
+  'preamble': rf'''{% raw %}
+        \newcommand{{\githash}}{{{current_commit_hash}}}
+        \newcommand{{\gitcommittime}}{{{current_commit_time}}}
+        \newcommand{{\doctitle}}{{{otcdocs_doc_title}}}
+        \newcommand{{\servicetitle}}{{{otcdocs_service_title}}}{% endraw %}
+  ''',
   'sphinxsetup': 'hmargin={15mm,15mm}, vmargin={20mm,30mm}, marginpar=10mm'
 }