//! Convert a Word `.doc` or `.docx` to Markdown, HTML, or plain text (the input
//! format is auto-detected).
//!
//! ```text
//! cargo run -p rwml --example convert -- file.docx md
//! cargo run -p rwml --example convert -- file.doc html
//! cargo run -p rwml --example convert -- file.docx txt
//! ```