Add the default plot theme
See also
Plotting functions
add_forecast_dates()
,
plot.fv_forecast()
,
plot.fv_posterior()
,
plot_cases()
,
plot_default()
,
plot_growth()
,
plot_pairs()
,
plot_posterior()
,
plot_rt()
,
plot_voc_advantage()
,
plot_voc_frac()
,
save_plots()