config.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Store:etc/config.xsd">
    <default>
        <blog>
            <appearance>
                <menu_title>Blog MX</menu_title>
                <blog_name>Blog MX</blog_name>
                <date_format>F j, Y</date_format>
            </appearance>

            <display>
                <main_menu>1</main_menu>
            </display>

            <comments>
                <provider>disqus</provider>
                <disqus_shortname>magento2-blog</disqus_shortname>
            </comments>

            <seo>
                <base_route>blog</base_route>
                <base_meta_title>Blog MX</base_meta_title>
                <base_meta_description>Blog MX</base_meta_description>
                <base_meta_keywords>Blog MX</base_meta_keywords>
                <post_url_suffix>.html</post_url_suffix>
                <category_url_suffix>.html</category_url_suffix>
            </seo>

            <sharing>
                <enable_addthis>1</enable_addthis>
            </sharing>
        </blog>
    </default>
</config>