message: add Simplified Chinese
diff: @@ -13,7 +13,7 @@ export class AppComponent {
  public $auth: AuthService,
  ) {
  // this array needs to be updated each time a new translation is added
  - translate.addLangs(['en', 'de', 'fr', 'pl', 'cs', 'ru']);
  + translate.addLangs(['en', 'de', 'fr', 'pl', 'cs', 'ru', 'zh-CN']);
  if (translate.getLangs().find(x => x === translate.getBrowserLang())) {
  translate.use(translate.getBrowserLang());
  