move sentence to top of index page

index.markdown

 D-PHYS IT Documentation
 =======================
 
+Use the sidebar on the left to navigate by topic, or the links below for different target audiences and frequently asked questions.
+
 ### I'm a ...
 
   * [[audience/New member of D-PHYS]]
@@ -16,8 +18,6 @@ D-PHYS IT Documentation
   * [[audience/IT coordinator at a D-PHYS research group]]
   * [[audience/Administrator at ISG]]
 
-Use the sidebar on the left to navigate by topic.
-
 ### Frequently Asked Questions
 
   * [[How to get or keep a physic account|account/policy]]