🐛 Fix theme_guide(key.width, key.height, key.size)

[teunbrand]

This PR aims to fix #41.

devtools::load_all("~/packages/legendry/")
#> ℹ Loading legendry
#> Loading required package: ggplot2

thm <- theme_guide(key.width = unit(2, "cm"), 
                   key.height = unit(1, "cm"), 
                   key.spacing.y = unit(1, "cm"))

ggplot(mpg, aes(displ, hwy, colour = drv)) +
  geom_point() +
  guides(colour = guide_legend(theme = thm))

^{Created on 2025-02-15 with reprex v2.1.1}