code: func (c *TrackerController) List(ctx *app.ListTrackerContext) error {
  	var trkrs []remoteworkitem.Tracker
  	err := application.Transactional(c.db, func(appl application.Application) error {
  		var err error
  		trkrs, err = appl.Trackers().List(ctx)
  		return err
  	})
  	if err != nil {
  		return jsonapi.JSONErrorResponse(ctx, err)
  	}
  	res := &app.TrackerList{}
  	res.Data = ConvertTrackers(ctx.Request, trkrs)
  	return ctx.OK(res)
  }
docs: // List runs the list action.