Do not validate removed entities.
Fixing some typos
Fixing typos on the architecture chapter
Added jinja coloration for twig coloration
Fixed typos on the conditionnal validation chapter
Fixing some typos on console chapter
Fixing rst typos on form help messages chapter
Enhancing reading of the form type chapter
Fixing typos on the getting started chapter
Added a configuration step on the installation chapter
Corrected a rst tag on the installation chapter
Fixing rst typos
Fixing coloration on a twig block
Fixing routing chapter
Fixing saving_hooks chapter
Fixed the security chapter
Enhanced the translation chapter
Allow read-only fields when editing collections of entities.
Removed some double entries and corrected badly translated strings.
added a condition for 'add new' button to only display when you edit an entity and no longer display on the create form