migrattion
$table->date('data')->nullable();

contoller store, update
if(empty($request->input('data'))) {
            $item->update(["data" => date('Y-m-d')]);
}

form
<div class="mb-3">
    {!! Form::label(__('Date'), '', ['class'=>'control-label', 'data-comment'=>' '.__('(Blank - created automatically)')]) !!}
    {!! Form::text('data', @$data, ['class'=>'form-control datepicker '.(($errors->has('data'))?'is-invalid':'')]) !!}
    @error('data')
    <span class="invalid-feedback" role="alert"><strong>{{ $message }}</strong></span>
    @enderror
</div>


//add datepiceker
require('./jquery-ui.min');
@import 'jquery-ui.css';
$( ".datepicker" ).datepicker({
    dateFormat: "yy-mm-dd"
});
jQuery(function($){
    $.datepicker.regional['lt'] = {
        closeText: 'Uždaryti',
        prevText: '&#x3c;Atgal',
        nextText: 'Pirmyn&#x3e;',
        currentText: 'Šiandien',
        monthNames: ['Sausis','Vasaris','Kovas','Balandis','Gegužė','Birželis',
            'Liepa','Rugpjūtis','Rugsėjis','Spalis','Lapkritis','Gruodis'],
        monthNamesShort: ['Sau','Vas','Kov','Bal','Geg','Bir',
            'Lie','Rugp','Rugs','Spa','Lap','Gru'],
        dayNames: ['sekmadienis','pirmadienis','antradienis','trečiadienis','ketvirtadienis','penktadienis','šeštadienis'],
        dayNamesShort: ['sek','pir','ant','tre','ket','pen','šeš'],
        dayNamesMin: ['Se','Pr','An','Tr','Ke','Pe','Še'],
        weekHeader: 'Wk',
        dateFormat: 'yy-mm-dd',
        firstDay: 1,
        isRTL: false,
        showMonthAfterYear: false,
        yearSuffix: ''};
    $.datepicker.setDefaults($.datepicker.regional['lt']);
});