newsupernova/app/code/Magefan/Blog/etc/frontend/events.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © 2016 Ihor Vansach (ihor@magefan.com). All rights reserved.
 * See LICENSE.txt for license details (http://opensource.org/licenses/osl-3.0.php).
 *
 * Glory to Ukraine! Glory to the heroes!
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
    <event name="page_block_html_topmenu_gethtml_before">
        <observer name="magefan_blog_topmenu_observer" instance="Magefan\Blog\Observer\PageBlockHtmlTopmenuBethtmlBeforeObserver" />
    </event>
    <event name="layout_load_before">
        <observer name="magefan_blog_layout_load_before" instance="Magefan\Blog\Observer\LayoutLoadBeforeObserver" />
    </event>
</config>