Allow to configure the pagination

Change-Id: I6503f22450e1610efcb8662a093ddad46af5b8ea
diff --git a/README.rst b/README.rst
index 3fd1918..c5080b7 100644
--- a/README.rst
+++ b/README.rst
@@ -69,6 +69,7 @@
           password: password
         audit:
           enabled: false
+        osapi_max_limit: 500
 
 
 Nova services from custom package repository