missing_paths = list_missing(language)
    for path in missing_paths:
        print(f"Adding lang: {language} path: {path}")
        translate_page(language=language, en_path=path)
        print(f"Done adding: {path}")
    print("Done adding all missing paths")


@app.command()
def update_and_add(language: Annotated[str, typer.Option(envvar="LANGUAGE")]) -> None:

    if lang is None:
        lang = "en"
    lang_path: Path = docs_path / lang
    # Enable line numbers during local development to make it easier to highlight
    args = ["mkdocs", "serve", "--dev-addr", "127.0.0.1:8008"]
    if dirty:
        args.append("--dirty")
    subprocess.run(
        args, env={**os.environ, "LINENUMS": "true"}, cwd=lang_path, check=True
    )

        * Processing a response after being generated by *path operation functions* but before returning it. E.g. adding custom headers, logging, adding extra metadata.
    * New docs section: [Custom Request and APIRoute class](https://fastapi.tiangolo.com/advanced/custom-request-and-route/).