[TASK] Configure the link "Edit me on Github"

Author: xperseguers

Documentation/Settings.yml

@@ -5,4 +5,7 @@ conf.py:
   copyright: 2011-2014
   version: 1.0.5
   release: 1.0.5
+  html_theme_options:
+    github_repository: TYPO3-Documentation/TYPO3CMS-Guide-Security
+    github_branch: latest
 ...