Fixes #21195: Add more table of contents to pages with longer contents

docs/components/badge.md

@@ -7,6 +7,11 @@ group: components
 
 Small and adaptive tag for adding context to just about any content.
 
+## Contents
+
+* Will be replaced with the ToC, excluding the "Contents" header
+{:toc}
+
 ## Example
 
 Badges scale to match the size of the immediate parent element by using relative font sizing and `em` units.