Add colouring to a set of milestones.
add_milestone_coloring(
milestones = NULL,
color_milestones = c("auto", "given", "cubeHelix", "Set3", "rainbow")
)Tibble containing the column milestone_id (character).
If color_milestones is set to "given", this tibble should also contain a column
color (character), containing colour hex codes (e.g. "#123456").
Which palette to use for colouring the milestones
auto: Determine colours automatically. If color is already specified in
milestones tibble, this will be used. Otherwise, the colour scheme is determined by
milestone_palette_list$auto.
given: The milestones object already contains a column color.
cubeHelix: Use the rje::cubeHelix() palette.
Set3: Use the RColorBrewer::brewer.pal(name = "Set3") palette.
rainbow: Use the grDevices::rainbow() palette.
A tibble containing the input character column milestone_id and a character
column color containing colour hex-codes (e.g. "#123456").