daynight script bru

<!---- day/night toggle----->

<script>
const currentTheme = localStorage.getItem('theme') ? localStorage.getItem('theme') : null;

if (currentTheme === 'night') {
  $( 'body' ).addClass( 'night');
}

$(document).ready(function(){
    $('.daynight').click(function(){
        $(document).ready(function(){
            $('.daynight').click(function(){
                let theme = 'daynight';
                $('body').toggleClass('night');
                $('.daynight span').toggleClass('fa-sun');
                if ($('body').hasClass('night')) {
                    theme = 'night';
                }
                localStorage.setItem('theme', theme);
            });
        });
    });
});
</script>