[doc] wiki page link position

README.rst

 List of `running
 instances <https://github.com/asciimoo/searx/wiki/Searx-instances>`__.
 
+See the `wiki <https://github.com/asciimoo/searx/wiki>`__ for more information.
+
 |Flattr searx|
 
 Features
 -  Duckduckgo like !bang functionality with engine shortcuts
 -  Parallel queries - relatively fast
 
-See the `wiki <https://github.com/asciimoo/searx/wiki>`__ for more information.
-
 Installation
 ~~~~~~~~~~~~