webeng/news/templates/navbar.html

<nav class="navbar navbar-expand-lg navbar-light bg-light">
    <a class="navbar-brand" href="#">Menu</a>
    <div id="navbarNav">
        <ul class="navbar-nav">
            <li class="nav-item">
                <a class="nav-link" href="{% url 'index' %}">Home</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="{% url 'posts' %}">Posts</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="https://www.th-nuernberg.de/fakultaeten/efi/">EFI</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="https://www.google.com">Google</a>
            </li>
        </ul>
    </div>
</nav>