feat(lang): add Simplified Chinese display language (#2032)

src/context/LanguageContext.tsx

@@ -17,6 +17,7 @@ export type AvailableLocale =
   | 'ru'
   | 'sr'
   | 'sv'
+  | 'zh-CN'
   | 'zh-TW';
 
 type AvailableLanguageObject = Record<
@@ -93,6 +94,10 @@ export const availableLanguages: AvailableLanguageObject = {
     code: 'zh-TW',
     display: '‪繁體中文‬',
   },
+  'zh-CN': {
+    code: 'zh-CN',
+    display: '‪简体中文‬',
+  },
 };
 
 export interface LanguageContextProps {

src/pages/_app.tsx

@@ -53,6 +53,8 @@ const loadLocaleData = (locale: AvailableLocale): Promise<any> => {
       return import('../i18n/locale/sr.json');
     case 'sv':
       return import('../i18n/locale/sv.json');
+    case 'zh-CN':
+      return import('../i18n/locale/zh_Hans.json');
     case 'zh-TW':
       return import('../i18n/locale/zh_Hant.json');
     default: