Soshot/tpl/footer.php

</div>
<script>
    function switchTheme(e) {
        let actualTheme = document.documentElement.getAttribute('data-theme');
        if (actualTheme === null || actualTheme === 'light') {
            document.documentElement.setAttribute('data-theme', 'dark');
            localStorage.setItem('theme', 'dark');
        } else {
            document.documentElement.setAttribute('data-theme', 'light');
            localStorage.setItem('theme', 'light');
        }
        return false;
    }

    const currentTheme = localStorage.getItem('theme') ? localStorage.getItem('theme') : null;
    if (currentTheme) {
        document.documentElement.setAttribute('data-theme', currentTheme);
    }
</script>
<footer id="myFooter" class="w3-bottom">
    <div class="w3-container">
        <p>Powered by <a href="https://forge.leslibres.org/Knah-Tsaeb/Soshot" target="_blank"> Soshot </a>| Theme by <a href="https://www.w3schools.com/w3css/default.asp" target="_blank">w3.css</a></p>
    </div>
</footer>