docs: index.rst: Add watch_queue

Fix the following sphinx warning:

Documentation/watch_queue.rst:
WARNING: document isn't included in any toctree

By adding watch_queue.rst to the index.

Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/20200718165107.625847-13-dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/index.rst b/Documentation/index.rst
index 3b491af0122de7a66331525bcf13e6164da85885..57719744774c2fe9fcb747c85975123d2a8126f6 100644 (file)
--- a/Documentation/index.rst
+++ b/Documentation/index.rst
@@ -193,6 +193,7 @@ to ReStructured Text format, or are simply too old.
    :maxdepth: 2
 
    staging/index
+   watch_queue
 
 
 Translations