docs: def localization_feature(app):
      """
      Localization feature
      This will initialize support for translations and localization of values
      such as numbers, money, dates and formatting timezones.
      """
  
      # apply app default to babel
      app.config['BABEL_DEFAULT_LOCALE'] = app.config['DEFAULT_LOCALE']
      app.config['BABEL_DEFAULT_TIMEZONE'] = app.config['DEFAULT_TIMEZONE']
  
      # init babel
      babel = Babel()
      babel.init_app(app)