automatically detect file encoding when importing delimiter-separated values (DSV) file

src/locales/zh_Hant.json

@@ -1443,6 +1443,7 @@
     "No results": "無結果",
     "Unknown": "未知",
     "Auto detect": "自動偵測",
+    "Detecting...": "正在偵測...",
     "Miscellaneous": "雜項",
     "Default": "預設",
     "Included": "包含",
@@ -1896,6 +1897,7 @@
     "Data File": "資料檔案",
     "Data to import": "要匯入的資料",
     "Please select a file to import": "請選擇要匯入的檔案",
+    "Unable to detect the file encoding automatically. Please select the actual encoding.": "無法自動偵測檔案編碼。請選擇實際的編碼。",
     "Include Header Line": "包含標頭列",
     "Time Format": "時間格式",
     "Amount Format": "金額格式",