All natural pine, faux fur and a bit of soho vibes for the classy minimalist
mkdir -p /mnt/themes
mount -t real "$(cat /proc/ish/documents)/themes" /mnt/themes
git clone https://github.com/akopdev/rose-pine-ish.git rose-pine-ish
cp -r rose-pine-ish/*.json /mnt/themes
You can also download the JSON files manually to the iSH theme directory, without cloning whole repository.