feat: add supervisor role

src/Controller/Admin/Resource/EditController.php

@@ -23,7 +23,7 @@ use Symfony\Component\Security\Http\Attribute\IsGranted;
  * Retiring is a checkbox here rather than a confirmation modal of its own: it deletes nothing and
  * is undone by ticking the box again. What it does leave behind -- bookings that still point at
  * the resource -- is named in the flash, so the administrator can release them from
- * /admin/bookings if they should not stand.
+ * /manage/bookings if they should not stand.
  */
 #[IsGranted(Role::ADMIN)]
 final class EditController extends AbstractController