plot week axis
week_axis.Rd
`week_axis()` adds labels to x axis on plots
Arguments
- y_height
numeric, value of plot y height. Default to `graphics::par("usr")[4]`.
- y_min
numeric, value of minimum y height. Default to `graphics::par("usr")[3]`.
- weeks
numeric, number of weeks to plot.
- factor
numeric, factor used to determine position of calendar text.
- language
character, one of c("FR", "EN")