ass="nav-header">Links</li>
        <li class="nav-item"><a class="nav-link" href="https://github.com/fslaborg/SigmaGraph.NET/blob/master/LICENSE">License</a>
        </li>
        <li class="nav-item"><a class="nav-link"
                                href="https://github.com/fslaborg/SigmaGraph.NET/blob/master/RELEASE_NOTES.md">Release
            Notes</a></li>
        <li class="nav-item"><a class="nav-link" href="https://github.com/fslaborg/SigmaGraph.NET/">Source
            Repository</a></li>
     