emojifont 0.6.0

switch default emoji font to OpenMoji Black (2026-02-27, Fri)
keep backward compatibility: loading EmojiOne/OpenSansEmoji shows message and uses OpenMoji
update vignette to use OpenMoji family and related examples
add script inst/scripts/fetch_openmoji_black.R to download OpenMoji-Black.ttf
update inst/scripts/fetch_fontawesome.R to match runtime CSS parsing logic
add helper update_sysdata() to write fontawesome_data and emoji_data into R/sysdata.rda
migrate vignette to Quarto (VignetteBuilder: quarto) (2026-02-26, Thu)
add “Emoji in tables” example using knitr::kable
fix ggplot2 deprecation: replace aes_() with aes() and use rlang::sym
add rlang to Imports and update NAMESPACE accordingly

emojifont 0.5.3