message: Alert: fixed readme, added missed onClick and key attributes for actions
diff: @@ -126,6 +126,8 @@ class Alert extends Component<AlertProps, AlertState> {
  className={classNames('Alert__button', `Alert__button--${action.mode}`)}
  mode="tertiary"
  size="m"
  + onClick={this.onItemClick(action)}
  + key={`alert-action-${i}`}
  >
  {action.title}
  </Button>
  @@ -136,6 +138,8 @@ class Alert extends Component<AlertProps, AlertState> {
  className={classNames('Alert__button', `Alert__button--${action.mode}`)}
  size="m"
  mode={action.mode === 'cancel' ? 'secondary' : 'primary'}
  + onClick={this.onItemClick(action)}
  + key={`alert-action-${i}`}
  >
  {action.title}
  </Button>
  