Add some doc

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/trunk@2258 b32b6428-25c9-4566-ad07-03861ab6144f

devices/protocols/ZWave/README.rst

@@ -7,6 +7,8 @@ Install & Config
 - Plug the Zstick
 - Run the gateway w/ python -m xaal.zwave
 - Change the serial port in the config file xaal.zwave.ini if needed.
+- The gateway will detect all paired products with the Zstick so, no
+  addtionnal config is needed
 
 Products
 --------