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  <div class="toc">
    <ul>
        <li><a href="{% base %}/new-to-sdr.html">New to SDR?</a></li>
        <li><a href="{% base %}/docs/">Documentation</a>
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                <li><a href="{% base %}/docs/installation.html">Installation</a></li>
                <li><a href="{% base %}/docs/getting-started.html">Getting Started</a></li>
                <li><a href="{% base %}/docs/creating-blocks.html">Creating Blocks</a></li>
           