Please help check this issue and recommend any library to make it work. I have used showtext library but not help.
Sample Data & Code
category_name total_readers
មនោសញ្ចេតនា 267867
ស្នេហា 239880
ព្រឺព្រួច 222031
អាថ៌កំបាំង 127858
គុននិយម 101888
df %>%
ggplot(aes(area = total_readers, fill = category_name, label = category_name)) +
geom_treemap() + theme(legend.position = "bottom", ) +
geom_treemap_text(fontface = "italic", colour = "white", place = "centre", grow = FALSE)