add function to bootstrap popover code example

Example 1: bootstrap popover

<!-- Bootstrap 5 Popovers -->
<button
   type="button"
   class="btn btn-lg btn-danger"
   data-bs-toggle="popover"
   title="Popover title"
   data-bs-content="And here's some amazing content. It's very engaging. Right?"
>
   Click to toggle popover
</button>

<!-- Four directions -->
<button
   type="button"
   class="btn btn-secondary"
   data-bs-container="body"
   data-bs-toggle="popover"
   data-bs-placement="top"
   data-bs-content="Top popover"
>
   Popover on top
</button>
<button
   type="button"
   class="btn btn-secondary"
   data-bs-container="body"
   data-bs-toggle="popover"
   data-bs-placement="right"
   data-bs-content="Right popover"
>
   Popover on right
</button>
<button
   type="button"
   class="btn btn-secondary"
   data-bs-container="body"
   data-bs-toggle="popover"
   data-bs-placement="bottom"
   data-bs-content="Bottom popover"
>
   Popover on bottom
</button>
<button
   type="button"
   class="btn btn-secondary"
   data-bs-container="body"
   data-bs-toggle="popover"
   data-bs-placement="left"
   data-bs-content="Left popover"
>
   Popover on left
</button>

Example 2: bootstrap popover on dynamic element

var popOverSettings = {
    placement: 'bottom',
    container: 'body',
    html: true,
    selector: '[rel="popover"]', //Sepcify the selector here
    content: function () {
        return $('#popover-content').html();
    }
}

$('body').popover(popOverSettings);