Navigation for paginated results

navbar.html

 <nav aria-label="Page navigation example">
                    <ul class="pagination justify-content-center">
                        {% if employees.has_previous %}
                            <li class="page-item">
                                <a class="page-link" href='?page={{ employees.previous_page_number }}'>Previous</a>
                            </li>
                        {% else %}
                            <li class="page-item disabled">
                                <a class="page-link" href='' tabindex="-1" aria-disabled="True">Previous</a>
                            </li>
                        {% endif %}

                        {% if employees.has_next %}
                            <li class="page-item">
                                <a class="page-link" href='?page={{ employees.next_page_number }}'>Next</a>
                            </li>
                        {% else %}
                            <li class="page-item disabled">
                                <a class="page-link" href='' tabindex="-1" aria-disabled="True">Next</a>
                            </li>
                        {% endif %}
                    </ul>
</nav>