slick slider

<!-- Use slick slider -->
<!-- google type slick slider cdn
    https://cdnjs.com/libraries/slick-carousel
    copy tag <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.css"> AND add to head above style.css
    copy tag <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick-theme.css"> ABD place it under the first one slider
    copy slick js script https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.js AND place it bellow bootstrap script
  -->

  <!-- head -->
  <!-- Required meta tags -->
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <!-- Bootstrap CSS -->
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO"
  crossorigin="anonymous">
  <!-- slick slider -->
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.css">
  <!-- slick slider theme -->
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick-theme.css">



  <!-- body -->
  <!-- TESTIMONIALS -->
  <section id="testimonials" class="p-4 bg-dark text-white">
    <div class="container">
      <h2 class="text-center">Testimonials</h2>
      <div class="row text-center">
        <div class="col">
          <div class="slider">
            <div>
              <blockquote class="blockquote">
                <p class="mb-0">
                  Lorem ipsum dolor sit amet consectetur adipisicing elit. Quos, fuga eaque.
                </p>
                <footer class="blockquote-footer">John Doe From
                  <cite title="Company 1">Company 1</cite>
                </footer>
              </blockquote>
            </div>
            <div>
              <blockquote class="blockquote">
                <p class="mb-0">
                  Lorem ipsum dolor sit amet consectetur adipisicing elit. Quos, fuga eaque.
                </p>
                <footer class="blockquote-footer">Sam Smith From
                  <cite title="Company 2">Company 2</cite>
                </footer>
              </blockquote>
            </div>
            <div>
              <blockquote class="blockquote">
                <p class="mb-0">
                  Lorem ipsum dolor sit amet consectetur adipisicing elit. Quos, fuga eaque.
                </p>
                <footer class="blockquote-footer">Megan Williams From
                  <cite title="Company 3">Company 3</cite>
                </footer>
              </blockquote>
            </div>
          </div><!-- end of slider -->
        </div><!-- end of col -->
      </div><!-- end of row -->
    </div><!-- end of container -->
  </section>

<!-- Bootstrap scripts -->
  <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
  crossorigin="anonymous"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49"
  crossorigin="anonymous"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy"
  crossorigin="anonymous"></script>

  <!-- slick slider js -->
  <script src="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.js"></script>
  <script>
    // Init slider
    $('.slider').slick({
      infinite: true,
      slideToShow: 1,
      slideToScroll: 1
    });
  </script>