improve import stepper

vue3/src/locales/zh_Hant.json

@@ -1,4 +1,6 @@
 {
+  "AI": "",
+  "AIImportSubtitle": "",
   "Access_Token": "",
   "Actions": "",
   "Activity": "",
@@ -10,11 +12,13 @@
   "Add_to_Shopping": "加入購物清單",
   "Admin": "",
   "AllRecipes": "",
+  "AppImportSubtitle": "",
   "Available": "",
   "AvailableCategories": "",
   "BaseUnit": "",
   "BaseUnitHelp": "",
   "Book": "",
+  "BookmarkletImportSubtitle": "",
   "Books": "",
   "Calories": "",
   "Cancel": "",
@@ -175,6 +179,7 @@
   "UnitConversion": "",
   "Up": "",
   "UpgradeNow": "",
+  "UrlImportSubtitle": "",
   "Url_Import": "",
   "Use_Plural_Food_Always": "",
   "Use_Plural_Food_Simple": "",