code: def api_info(self, headers=None):
          
          return self.transport.forward_request(
              method='GET',
              path=self.api_prefix,
              headers=headers,
          )
docs: Retrieves information provided by the API root endpoint
          ``'/api/v1'``.
  
          Args:
              headers (dict): Optional headers to pass to the request.
  
          Returns:
              dict: Details of the HTTP API provided by the BigchainDB
              server.