custom-theme/nav.html

<div id="navbar" class="navbar navbar-default navbar-fixed-top" role="navigation">
    <div class="logo-container">
        <img src="/img/logo.svg">
    </div>
    <div class="container-fluid">
        <!-- Collapsed navigation -->
        <div class="navbar-header">
            <!-- Expander button -->
            <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>

        </div>

        <!-- Expanded navigation -->
        <div class="navbar-collapse collapse">
            <!-- Main navigation -->
            <ul class="nav navbar-nav navbar-right">
                <li>
                    <a href="/">Home</a>
                </li>
                <li>
                    <a href="/about/">About</a>
                </li>
                <li class="dropdown">
                    <a href="/documentation/" class="dropdown-toggle" data-toggle="dropdown">Docs <b class="caret"></b></a>
                    <ul class="dropdown-menu">
                        {% for nav_item in nav %}
                        {%   if nav_item.title in ['Documentation', 'Mynewt OS Manual', 'Newt Tool Manual', 'Newt Manager Manual', 'Appendix'] %}
                        <li {% if nav_item.active %}class="active"{% endif %}>
                            <a href="{% if nav_item.url %}{{ nav_item.url }}{% else %}{{ nav_item.children[0].url }}{% endif %}">
                                {% if nav_item.title == 'Documentation' %}Overview{% else %}{{ nav_item.title }}{% endif %}
                            </a>
                        </li>
                        {%   endif %}
                        {% endfor %}
                    </ul>
                </li>
                <li>
                    <a href="/download/">Download</a>
                </li>
                <li>
                    <a href="/community/">Community</a>
                </li>
                <li>
                    <a href="/events/">Events</a>
                </li>
            </ul>

            <!-- Search, Navigation and Repo links -->
            <ul class="nav navbar-nav navbar-right">
                {% if repo_url %}
                <li>
                    <a href="{{ repo_url }}">
                        {% if repo_name == 'GitHub' %}
                            <i class="fa fa-github"></i>
                        {% elif repo_name == 'Bitbucket' %}
                            <i class="fa fa-bitbucket"></i>
                        {% endif %}
                        {{ repo_name }}
                    </a>
                </li>
                {% endif %}
            </ul>
        </div>
    </div>
</div>