kwb.heatsine 0.1.1

Added the following features as requested by @chsprenger

• Tutorial vignette: do not use monitoring label in title

• Modified plot_prediction_interactive()

  • Use ggplot2::geom_point() instead of ggplot2::geom_vline() for plotting
    special (min, max, turning-points)

  • Unable to add prediction interval in legend due to missing functionality
    in function used for interactive plotting plotly::ggplotly() (see issue described here: plotly/plotly.R#1164)