ggshakeR 0.1.0.0

• Added plot_timeline() function
• Added vignettes: Expected Treat, Pitch Plots, Pizza Plots
• Created pkgdown website
• Added plot_sonar() function
• Updated tests
• Fixed plot_pass(), plot_passflow(), and plot_heatmap() functions to get plot positions on the proper side of the field
• Package review (Ryo N.). See issue #9
• Various solutions to pass package checks. See issue #12