code: def init_config(app):
          
          try:
              get_distribution('CairoSVG')
              has_cairo = True
          except DistributionNotFound:
              has_cairo = False
  
          app.config.setdefault('FORMATTER_BADGES_ENABLE', has_cairo)
  
          for attr in dir(config):
              if attr.startswith('FORMATTER_'):
                  app.config.setdefault(attr, getattr(config, attr))
docs: Initialize configuration.
  
          .. note:: If CairoSVG is installed then the configuration
              ``FORMATTER_BADGES_ENABLE`` is ``True``.
  
          :param app: The Flask application.