[TASK] Mention reactions listing in configuration module (#6419) (#6426)

* [TASK] Mention reactions listing in configuration module

@resolves: TYPO3-Documentation/Changelog-To-Doc#284
Releases: main, 13.4, 12.4

* [TASK] Language checks

* Apply suggestion from @linawolf

---------



(cherry picked from commit 089cdf2)

Co-authored-by: Anja <aleichsenring@ab-softlab.de>
Co-authored-by: Sarah McCarthy <sarahmccarthy123@yahoo.com>
Co-authored-by: Lina Wolf <48202465+linawolf@users.noreply.github.com>

Author: 4 people

Documentation/ApiOverview/Webhooks/Index.rst

@@ -23,4 +23,7 @@ TYPO3 supports incoming and outgoing webhooks:
     provides the possibility to send webhooks from TYPO3 to third-party
     systems.
 
+:guilabel:`System -> Configuration` lists available reaction and webhook types
+which administrators can facilitate in the corresponding backend modules.
+
 Have a look at the linked documentation for more details.