<nav class=“mb-3”>

<ul class="pagination justify-content-center">
  {%- if page.previous -%}
    <li class="page-item">
      <a href="{{ page.previous.url | relative_url }}" class="page-link"><span aria-hidden="true">&laquo;</span>{{ page.previous.title }}</a>
    </li>
  {%- endif -%}
  {%- if page.next -%}
    <li class="page-item">
      <a href="{{ page.next.url | relative_url }}" class="page-link">{{ page.next.title }}<span aria-hidden="true">&raquo;</span></a>
    </li>
  {%- endif -%}
</ul>

</nav>