add plain-text support for user page

src/plain-text/index.ts

@@ -1,14 +1,17 @@
 import { PageFooterText, pageFooterZhCn } from './PageFooter';
 import { MainPageText, mainPageZhCn } from './MainPage';
+import { UserPageText, userPageZhCn } from './UserPage';
 
 interface TextRecord {
   pageFooter: PageFooterText;
   mainPage: MainPageText;
+  userPage: UserPageText;
 }
 
 const textZhCn: TextRecord = {
   pageFooter: pageFooterZhCn,
   mainPage: mainPageZhCn,
+  userPage: userPageZhCn,
 };
 
 // type Lang = 'zh_CN' | 'en_US' | ...;