Import a module path and create an api doc from it

    Args:
        string (str): string with line breaks to write to file.
        filename (str): filename without the .md
        out_path (str): The output directory

def to_md_file(string, filename, out_path="."):
    """Import a module path and create an api doc from it

    Args:
        string (str): string with line breaks to write to file.
        filename (str): filename without the .md
        out_path (str): The output directory
    """
    md_file = "%s.md" % filename
    with open(os.path.join(out_path, md_file), "w") as f:
        f.write(string)
    print("wrote {}.".format(md_file))