magento2-modules/app/code/Edeclic/Parution/etc/adminhtml/menu.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Backend:etc/menu.xsd">
    <menu>
        <add id="Edeclic_Parution::job_head" title="Parution" module="Edeclic_Parution" sortOrder="100" resource="Magento_Backend::content" />
        <add id="Edeclic_Parution::parution" title="Parution" module="Edeclic_Parution" sortOrder="10" parent="Edeclic_Parution::job_head" action="parution/parution" resource="Edeclic_Parution::parution" />
    </menu>
</config>