flectra/addons/mrp/views/mrp_views_menus.xml

<?xml version="1.0" encoding="utf-8"?>
<flectra>
    <data>
        <!-- Top menu item -->
        <menuitem id="menu_mrp_root"
            name="Manufacturing"
            groups="group_mrp_user,group_mrp_manager"
            icon="fa-wrench"
            web_icon="mrp,static/description/icon.png"
            sequence="35"/>

        <menuitem id="menu_mrp_manufacturing"
            name="Operations"
            parent="menu_mrp_root"
            sequence="10"/>

        <menuitem id="mrp_planning_menu_root"
            name="Planning"
            parent="menu_mrp_root"
            sequence="15"/>

        <menuitem id="menu_mrp_bom"
            name="Master Data"
            parent="menu_mrp_root"
            sequence="20"/>

        <menuitem id="menu_mrp_reporting"
              name="Reporting"
              parent="menu_mrp_root"
              sequence="25"/>

        <menuitem id="menu_mrp_configuration"
            name="Configuration"
            parent="menu_mrp_root"
            groups="group_mrp_manager"
            sequence="100"/>

        <menuitem id="menu_pm_resources_config"
            name="Resources"
            parent="menu_mrp_configuration"
            sequence="100"/>

        <menuitem id="menu_view_resource_calendar_search_mrp"
            action="resource.action_resource_calendar_form"
            parent="menu_pm_resources_config"
            sequence="10"
            groups="base.group_no_one"/>

        <menuitem id="menu_view_resource_calendar_leaves_search_mrp"
            action="resource.action_resource_calendar_leave_tree"
            parent="menu_pm_resources_config"
            sequence="20"
            groups="base.group_no_one"/>
    </data>
</flectra>