doc: add TOC to the m.metadata plugin docs.

diff --git a/doc/plugins/metadata.rst b/doc/plugins/metadata.rst
index 559b517eda3c91d7199afd849ad21e5dff4feb94..2152646eb79ced802567628d41b6bbc600c5638b 100644 (file)
--- a/doc/plugins/metadata.rst
+++ b/doc/plugins/metadata.rst
@@ -43,6 +43,9 @@ Metadata
 
 Assigns additional description and images to categories, authors and tags.
 
+.. contents::
+    :class: m-block m-default
+
 `How to use`_
 =============