message: add zh-CN and it
diff: @@ -293,7 +293,11 @@ class TopBarComponent extends Component<Props, State> {
  ) : null}
  <LanguageSwitcherWrapper>
  <LanguageSwitcher
  - supportedLanguages={[Languages.EN, Languages.ZH_CN]}
  + supportedLanguages={[
  + Languages.EN,
  + Languages.ZH_CN,
  + Languages.IT
  + ]}
  />
  </LanguageSwitcherWrapper>
  </Flex>
  