code: def set_response_headers(self, response: HttpResponse) -> HttpResponse:
          
          public_name = os.environ.get('SERVER_PUBLIC_NAME')
          response_headers = {
              'access-control-allow-headers': self.app.allowed_headers,
              'access-control-allow-methods': self.app.allowed_methods,
              'access-control-allow-origin': self.app.allowed_origins,
              'access-control-allow-credentials': True,
              'www-authenticate': "Bearer",
              'server-public-name': public_name if public_name else "No one",
              'user-info': "Rinzler Framework rulez!"
          }
  
          response_headers.update(self.app.default_headers)
  
          for key in response_headers:
              response[key] = response_headers[key]
  
          status = response.status_code
          if status != 404:
              self.app.log.info("< {0}".format(status))
  
          return response
docs: Appends default headers to every response returned by the API
          :param response HttpResponse
          :rtype: HttpResponse