hugo-cms/templates/posts/new-link.html

<form class="prefs" method="post" action="/sites/{{.site.ID}}/posts/new-link">
    <fieldset>
        <label>Link URL</label>
        <input type="text" name="link_url" value="" />
        <label>Via URL</label>
        <input type="text" name="via_url" value="" />
    </fieldset>
    <div class="bottom-area">
        <input type="submit" value="Create Post">
    </div>
</form>