feat: add option to show translation loading

src/lang/en.ts

@@ -1044,4 +1044,5 @@ export const languageEnglish = {
         emptySelectedFirstMessageLabel: "WARN: Selected first message is empty",
     },
     bulkEnabling: "Lorebook Bulk Enabling",
+    showTranslationLoading: "Show Translation Loading",
 }

src/lang/ko.ts

@@ -966,4 +966,5 @@ export const languageKorean = {
         "emptySelectedFirstMessageLabel": "경고: 선택된 첫 메시지가 비어있습니다"
     },
     "bulkEnabling": "한번에 로어북 활성화 버튼",
+    "showTranslationLoading": "번역 로딩 보이기",
 }