front: add new errors translation for train schedule v2

Author: younesschrifi

front/public/locales/en/errors.json

@@ -168,6 +168,10 @@
       "TimetableNotFound": "Timetable '{{timetable_id}}' could not be found",
       "UnsimulatedTrainSchedule": "Train Schedule '{{train_schedule_id}}' is not simulated"
     },
+    "train_schedule_v2": {
+      "BatchTrainScheduleNotFound": "'{{number}}' train schedule(s) could not be found",
+      "NotFound": "Train Schedule '{{train_schedule_id}}' could not be found"
+    },
     "url": {
       "InvalidUrl": "Invalid url '{{url}}'"
     }

front/public/locales/fr/errors.json

@@ -168,6 +168,10 @@
       "TimetableNotFound": "Grille horaire '{{timetable_id}}' non trouvée",
       "UnsimulatedTrainSchedule": "La circulation '{{train_schedule_id}}' n'est pas simulée"
     },
+    "train_schedule_v2": {
+      "BatchTrainScheduleNotFound": "'{{number}}' circulation(s) n'ont pas pu être trouvée(s)",
+      "NotFound": "Circulation '{{train_schedule_id}}' non trouvée"
+    },
     "url": {
       "InvalidUrl": "Url invalide '{{url}}'"
     }