Deletes references to the external google fonts in the Home
    Documentation's index.html file

def make_offline():
    """Deletes references to the external google fonts in the Home
    Documentation's index.html file
    """
    dir_path = Path(os.getcwd()).absolute()

    css_path = dir_path / "site" / "assets" / "stylesheets"
    material_css = css_path / "material-style.css"
    if not material_css.exists():
        file_path = Path(__file__).resolve().parent
        copyfile(file_path / "material-style.css", material_css)
        copyfile(file_path / "material-icons.woff2", css_path / "material-icons.woff2")

    indexes = []
    for root, _, filenames in os.walk(dir_path / "site"):
        for filename in fnmatch.filter(filenames, "index.html"):
            indexes.append(os.path.join(root, filename))
    for index_file in indexes:
        update_index_to_offline(index_file)