feat: permettre la modification des portées

resources/lang/en.php

@@ -204,4 +204,10 @@ return [
  'care.temperature'=>'Temperature',
  'care.invalid_temperature'=>'Temperature must be between 30 and 45 °C.',
  'chart.temperature'=>'Temperature (°C)',
+ 'litter.edit'=>'Edit litter',
+ 'litter.edit_help'=>'Correct the parents, birth date or linked kittens.',
+ 'litter.kittens'=>'Kittens in this litter',
+ 'litter.detach'=>'Detach',
+ 'litter.detach_confirm'=>'Remove this cat from the litter? Its record and data will be preserved.',
+ 'litter.parent_is_kitten'=>'A parent cannot also be a kitten in this litter.',
 ];