flectra/addons/web_tour/views/tour_templates.xml

<?xml version="1.0" encoding="utf-8"?>
<flectra>
    <data>
        <template id="assets_common" name="tours assets" inherit_id="web.assets_common">
            <xpath expr="." position="inside">
                <link rel="stylesheet" href="/web_tour/static/src/less/tip.less"/>
                <link rel="stylesheet" href="/web_tour/static/src/less/keyframes.less"/>
                <script type="text/javascript" src="/web_tour/static/src/js/tip.js"></script>
                <script type="text/javascript" src="/web_tour/static/src/js/tour_manager.js"></script>
                <script type="text/javascript" src="/web_tour/static/src/js/tour_service.js"></script>
            </xpath>
        </template>

        <template id="assets_backend" name="tours backend assets" inherit_id="web.assets_backend">
            <xpath expr="//script[last()]" position="after">
                <script type="text/javascript" src="/web_tour/static/src/js/debug_manager.js"></script>
            </xpath>
        </template>
    </data>
</flectra>