[PATCH 4/4] Documentation: bcachefs: Add casefolding toctree entry

[Bagas Sanjaya]

Sphinx reports htmldocs toctree warning:

Documentation/filesystems/bcachefs/casefolding.rst: WARNING: document isn't included in any toctree

Fix the warning by adding casefolding documentation entry to bcachefs
toctree.

Fixes: bc5cc09246c5 ("bcachefs: bcachefs_metadata_version_casefolding")
Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Closes: https://lore.kernel.org/linux-next/20250221161728.32739f85@xxxxxxxxxxxxxxxx/
Signed-off-by: Bagas Sanjaya <bagasdotme@xxxxxxxxx>
---
 Documentation/filesystems/bcachefs/index.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/filesystems/bcachefs/index.rst b/Documentation/filesystems/bcachefs/index.rst
index 7db4d7ceab5826..0415b5d781920d 100644
--- a/Documentation/filesystems/bcachefs/index.rst
+++ b/Documentation/filesystems/bcachefs/index.rst
@@ -10,4 +10,5 @@ bcachefs Documentation
 
    CodingStyle
    SubmittingPatches
+   casefolding
    errorcodes
-- 
An old man doll... just what I always wanted! - Clara