<div class="main-menu nav hide-pages-desktop">
                <a class="toggleMenu" href="#"><span>Menu</span> <i class="icon-reorder"></i></a>
                <li class="custom-link"><a href="#yourLinkUrlHere">YOUR LINK TITLE HERE</a></li>
                <li class="custom-link"><a href="#yourLinkUrlHere">YOUR LINK TITLE HERE</a></li>
                %%Panel.SideCategoryList%%
                %%Panel.PagesMenu%%
</div>

<script>
$( document ).ready(function() {
  $('.nav > ul:first').prepend($('.custom-link'));
});
</script>