Améliore les réglages et la documentation

Refs #7 #8 #11 #14 #15 #19

resources/lang/en.php

@@ -123,4 +123,5 @@ return [
  'public_site.image_library'=>'Image library','public_site.image_file'=>'Image to add','public_site.image_upload'=>'Upload image','public_site.image_help'=>'Upload an image, place the cursor in a text field, then choose “Insert”. Accepted formats: JPEG, PNG and WebP.','public_site.image_none'=>'No image uploaded.','public_site.image_insert'=>'Insert','public_site.image_invalid'=>'Choose a valid image.',
  'rooms.duplicate'=>'A room with this name or code already exists.','settings.species_duplicate'=>'A species with this name or code already exists.',
  'settings.invalid_rna'=>'The RNA number must start with W followed by 9 digits.','settings.invalid_siret'=>'The SIRET number must contain 14 digits and be valid.','rooms.name_too_long'=>'A room name cannot exceed 100 characters.','rooms.box_name_too_long'=>'A box name cannot exceed 100 characters.','animal.name_too_long'=>'An animal name cannot exceed 150 characters.',
+ 'pricing.adoption_fees_help'=>'Indicative amounts shared by all animals, according to their sterilisation status.','rooms.inactive_help'=>'An unchecked room becomes inactive, while its previous assignments remain in the history. Its internal code never changes.',
 ];