Fix document index error

`include` directive seems not supported by default

Change-Id: I0c94592c140b40950e36b079bc3760bc5dcb26b9
Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/index.rst b/docs/index.rst
index 17ed58d..f3e275e 100644 (file)
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -13,7 +13,10 @@ for performance, simple but supported by comprehensive testing data and transpar
 .. _QTIP: https://wiki.opnfv.org/display/qtip
 .. _OPNFV: https://www.opnfv.org/
 
-.. include:: release/release-notes/index.rst
-.. include:: testing/user/configguide/index.rst
-.. include:: testing/user/userguide/index.rst
-.. include:: testing/developer/devguide/index.rst
+.. toctree::
+   :maxdepth: 2
+
+   release/release-notes/index.rst
+   testing/user/configguide/index.rst
+   testing/user/userguide/index.rst
+   testing/developer/devguide/index.rst