make inheritance for vue translations i18n.js files

By importing only the app i18n file,
we benefit from the whole inherited chain:

app i18n < chill bundle i18n < chill main bundle i18n

src/Bundle/ChillPersonBundle/Resources/public/vuejs/_js/i18n.js

@@ -16,9 +16,28 @@ const datetimeFormats = {
       }
    }
 };
-// const messages = {} ...
+const personMessages = {
+   fr: {
+      action: {
+         actions: "Actions",
+         show: "Voir",
+         edit: "Modifier",
+         create: "Créer",
+         remove: "Enlever",
+         delete: "Supprimer",
+         save: "Enregistrer",
+         showModal: "Ouvrir une modale",
+         ok: "OK",
+         cancel: "Annuler",
+         close: "Fermer",
+         next: "Suivant",
+         previous: "Précédent",
+         back: "Retour"
+      }
+   }
+}
 
 export {
    datetimeFormats,
-   // messages
+   personMessages
 };