Add backend layout with right side menu, based on content structure
Example page: https://typo3.org/project/association/contact/fields-of-responsibility
Using scrollspy: https://getbootstrap.com/docs/4.6/components/scrollspy/
Example page: https://typo3.org/project/association/contact/fields-of-responsibility
Using scrollspy: https://getbootstrap.com/docs/4.6/components/scrollspy/