add localization for tab-bar

src/plain-text/index.ts

@@ -1,27 +1,31 @@
 import { PageFooterText, pageFooterZhCn, pageFooterEnUs } from './PageFooter';
 import { MainPageText, mainPageZhCn, mainPageEnUs } from './MainPage';
 import { UserPageText, userPageZhCn, userPageEnUs } from './UserPage';
+import { TabBarText, tabBarEnUs, tabBarZhCn } from './TabBar';
 
 interface TextRecord {
   pageFooter: PageFooterText;
   mainPage: MainPageText;
   userPage: UserPageText;
+  tabBar: TabBarText;
 }
 
 const textZhCn: TextRecord = {
   pageFooter: pageFooterZhCn,
   mainPage: mainPageZhCn,
   userPage: userPageZhCn,
+  tabBar: tabBarZhCn,
 };
 
 const textEnUs: TextRecord = {
   pageFooter: pageFooterEnUs,
   mainPage: mainPageEnUs,
   userPage: userPageEnUs,
+  tabBar: tabBarEnUs,
 };
 
 // type Lang = 'zh_CN' | 'en_US' | ...;
-type Lang = 'zh_CN' | 'en_US';
+export type Lang = 'zh_CN' | 'en_US';
 
 class PlainText {
   private readonly textZhCn: TextRecord;