message: Add todo to Endpoint component
diff: @@ -36,6 +36,8 @@ export class Endpoint extends React.PureComponent<EndpointProps, EndpointState>
  render() {
  const { operation } = this.props;
  const { expanded } = this.state;
  +
  + // TODO: highlight server variables, e.g. https://{user}.test.com
  return (
  <OperationEndpointWrap>
  <EndpointInfo onClick={this.toggle} expanded={expanded}>
  