How to add dependent fields in content types and paragraph types.

https://drupalsun.com/mauricio-dinarte/2017/11/07/conditional-fields-paragraphs-using-javascript-states-api-drupal-8

To obliterate your branch if you have messed it up beyond recognition

git checkout mybranch
git reset --hard origin/mybranch

Docksal Fixing

fin vm remove is a good last resort command to fix problems that are not fixed by fin vm restart