zsh: Add doc options to include non-public items documentation
zsh: Add doc options to include non-public items documentation

eminence/cargo,eminence/cargo,tsurai/cargo,rustyhorde/cargo,nipunn1313/cargo,eminence/cargo,rust-lang/cargo,tshepang/cargo,tshepang/cargo,vojtechkral/cargo,tsurai/cargo,tsurai/cargo,tshepang/cargo,nipunn1313/cargo,nipunn1313/cargo,tsurai/cargo,rust-lang/cargo,tsurai/cargo,vojtechkral/cargo,tshepang/cargo,nipunn1313/cargo,eminence/cargo,vojtechkral/cargo,rust-lang/cargo,rust-lang/cargo,rustyhorde/cargo,rustyhorde/cargo,rustyhorde/cargo,vojtechkral/cargo