Add Peter Mac theme to ggplot chart

This function allows you to add the Peter Mac theme to your ggplotgraphics.

petermac_style()

Examples

if (FALSE) {
line <- ggplot(line_df, aes(x = year, y = lifeExp)) +
geom_line(colour = "#007f7f", size = 1) +
geom_hline(yintercept = 0, size = 1, colour="#333333") +
petermac_style()
}