odoo16/addons/crm_iap_mine/views/res_config_settings_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <record id="res_config_settings_view_form" model="ir.ui.view">
        <field name="name">res.config.settings.view.form.inherit.crm.iap.lead</field>
        <field name="model">res.config.settings</field>
        <field name="inherit_id" ref="crm.res_config_settings_view_form"/>
        <field name="arch" type="xml">
            <div id="crm_iap_mine_settings" position="inside">
                <widget name="iap_buy_more_credits" service_name="reveal"/>
            </div>
        </field>
    </record>
</odoo>