return Navigation(items=new_items, pages=nav.pages)


def on_pre_page(page: Page, *, config: MkDocsConfig, files: Files) -> Page:
    return page


def on_page_markdown(
    markdown: str, *, page: Page, config: MkDocsConfig, files: Files
) -> str:
    # Set metadata["social"]["cards_layout_options"]["title"] to clean title (without
    # permalink)
    title = page.title