macOS 默认 zsh 提示符

取自：https://github.com/apple-oss-distributions/zsh/blob/main/zshrc

PS1="%n@%m %1~ %# "

效果是：

luke@luke-macbook2025 ~ % ls /usr
bin    libexec    sbin    standalone  X11R6
lib    local    share    X11
luke@luke-macbook2025 ~ %