Fixed #24961 -- Added links to all auth docs pages from index.

docs/index.txt

@@ -275,7 +275,12 @@ Common Web application tools
 Django offers multiple tools commonly needed in the development of Web
 applications:
 
-* :doc:`Authentication <topics/auth/index>`
+* **Authentication:**
+  :doc:`Overview <topics/auth/index>` |
+  :doc:`Using the authentication system <topics/auth/default>` |
+  :doc:`Password management <topics/auth/passwords>` |
+  :doc:`Customizing authentication <topics/auth/customizing>` |
+  :doc:`API Reference <ref/contrib/auth>`
 * :doc:`Caching <topics/cache>`
 * :doc:`Logging <topics/logging>`
 * :doc:`Sending emails <topics/email>`