[TASK] Provide configuration for CKEditor's list properties

Add the configuration example to the full demo of list properties.

Resolves: #100852
Releases: main, 12.4
Change-Id: I77afff52cd51d0c527e6f4a9b569accc3e60dab4
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/84790


Tested-by: Stephan grass <grass@mai-multimedia.de>
Tested-by: Garvin Hicking <gh@faktor-e.de>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Jasmina Ließmann <minapokhalo+typo3@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Garvin Hicking <gh@faktor-e.de>
Reviewed-by: Jasmina Ließmann <minapokhalo+typo3@gmail.com>