Change logo_url for Swiss Cloud

otc_metadata/templates/conf.py.j2

@@ -105,6 +105,7 @@ html_theme_options = {
 {%- endif %}
 {%- endfor %}
 {%- endif %}
+'logo_url': 'https://docs.sc.otc.t-systems.com/'
 }
 
 # The name for this set of Sphinx documents.  If None, it defaults to