Clarify in page title that this is the support page, not the service

_config.yml

@@ -7,8 +7,8 @@
 
 # Site settings
 title:
-  en: JLU GitLab
-  de: JLU GitLab
+  en: JLU GitLab Support
+  de: JLU GitLab Support
 email: gitlab-help@lists.uni-giessen.de
 description:
   en: Help, information and news about the GitLab pilot service of the Justus Liebig University Giessen <a href="https://gitlab.test.uni-giessen.de">gitlab.test.uni-giessen.de</a>