type         date         name
    ----    ---------------   ------------------------

    dir     2024.04.08.0916   1-simple-example
    dir     2024.04.08.0916   2-using-with-contact-form
    dir     2024.04.08.0916   3-with-client-side-validations
    dir     2024.04.08.0916   4-custom-validation