use collab::env::get_dotenv_vars; fn main() -> anyhow::Result<()> {    for (key, value) in get_dotenv_vars(".")? {        if option_env!("POWERSHELL").is_some() {            println!("$env:{}=\"{}\"", key, value);        } else {            println!("export {}=\"{}\"", key, value);        }    }    Ok(())}