[Twig][Form] Moved twig.form.resources to a higher level

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | no, https://github.com/symfony/symfony/pull/11343
| Applies to    | >= 2.6
| Fixed tickets | -
There's is no need for a line break at this position. Just split them after the first word that crosses the 72nd character. If you want the following sentence to be rendered as a new paragraph, you'll have to add a blank line above it.