
        let htmlString = `<div class="container">`;
        for (let file of data) {
          if(file.name == 'index.html'){
            continue;
          } else if (file.type=='dir') {
            
            htmlString += `<div class="card">`;

            // Header Start
            htmlString += `<div class="card-header" id="heading${file.name}">`
            htmlString += `<h5 class="mb-0">`
            htmlString += `<button class="btn btn-secondary btn-lg btn-block" data-toggle="collapse" data-t