Add CSV file upload and auto-delimiter detection for pilot import

Allows uploading a CSV file directly instead of only pasting text, and
auto-detects comma vs semicolon separators to support more locales.

web/i18n/de.json

@@ -142,5 +142,8 @@
   "confirm_delete_competition": "Diesen Wettbewerb löschen? Alle Piloten, Strafen und Mitglieder werden unwiderruflich entfernt.",
   "confirm_delete_competition_named": "Wettbewerb '{name}' löschen? Alle Piloten, Strafen und Mitglieder werden unwiderruflich entfernt.",
   "backup_written": "Sicherung erstellt: {file}",
-  "competition_closed": "Wettbewerb ist beendet"
+  "competition_closed": "Wettbewerb ist beendet",
+  "upload_file": "Datei hochladen",
+  "csv_separator_hint": "Komma (,) und Semikolon (;) werden automatisch erkannt.",
+  "csv_empty": "Bitte CSV einfügen oder eine Datei wählen."
 }

web/i18n/en.json

@@ -142,5 +142,8 @@
   "confirm_delete_competition": "Delete this competition? All pilots, penalties and members will be permanently removed.",
   "confirm_delete_competition_named": "Delete competition '{name}'? All pilots, penalties and members will be permanently removed.",
   "backup_written": "Backup written: {file}",
-  "competition_closed": "Competition is closed"
+  "competition_closed": "Competition is closed",
+  "upload_file": "Upload file",
+  "csv_separator_hint": "Comma (,) and semicolon (;) are detected automatically.",
+  "csv_empty": "Please paste CSV or choose a file."
 }

web/i18n/es.json

@@ -79,5 +79,8 @@
   "save_settings": "Guardar ajustes",
   "saved": "Guardado",
   "yes": "Sí",
-  "no": "No"
+  "no": "No",
+  "upload_file": "Subir archivo",
+  "csv_separator_hint": "La coma (,) y el punto y coma (;) se detectan automáticamente.",
+  "csv_empty": "Por favor, pegue CSV o elija un archivo."
 }

web/i18n/fr.json

@@ -79,5 +79,8 @@
   "save_settings": "Enregistrer",
   "saved": "Enregistré",
   "yes": "Oui",
-  "no": "Non"
+  "no": "Non",
+  "upload_file": "Téléverser un fichier",
+  "csv_separator_hint": "La virgule (,) et le point-virgule (;) sont détectés automatiquement.",
+  "csv_empty": "Veuillez coller du CSV ou choisir un fichier."
 }

web/i18n/pl.json

@@ -79,5 +79,8 @@
   "save_settings": "Zapisz ustawienia",
   "saved": "Zapisano",
   "yes": "Tak",
-  "no": "Nie"
+  "no": "Nie",
+  "upload_file": "Prześlij plik",
+  "csv_separator_hint": "Przecinek (,) i średnik (;) są wykrywane automatycznie.",
+  "csv_empty": "Wklej CSV lub wybierz plik."
 }

web/i18n/pt.json

@@ -79,5 +79,8 @@
   "save_settings": "Guardar definições",
   "saved": "Guardado",
   "yes": "Sim",
-  "no": "Não"
+  "no": "Não",
+  "upload_file": "Carregar ficheiro",
+  "csv_separator_hint": "A vírgula (,) e o ponto e vírgula (;) são detectados automaticamente.",
+  "csv_empty": "Por favor, cole CSV ou escolha um ficheiro."
 }

web/i18n/ru.json

@@ -79,5 +79,8 @@
   "save_settings": "Сохранить настройки",
   "saved": "Сохранено",
   "yes": "Да",
-  "no": "Нет"
+  "no": "Нет",
+  "upload_file": "Загрузить файл",
+  "csv_separator_hint": "Запятая (,) и точка с запятой (;) определяются автоматически.",
+  "csv_empty": "Вставьте CSV или выберите файл."
 }