ENH - HTML template data replaced with Jinja Macros

[app-generator]

The hard coded data might be useful to provide Jinja macros

Enhacement

<div class="row">
      <!-- [ sample-page ] start -->
      <div class="col-sm-12">
          <div class="card">
              <div class="card-header">
                  <h5>{{ page_title }} data:</h5>
              </div>
              <div id="card_body" class="card-body">
                  {{ data_table(headers,data) }}
              </div>
          </div>
      </div>
      <!-- [ sample-page ] end -->
  </div>

Current version

Sample: Flask Datta PRO: templates/home/table-dt_ext_responsive.html