contract/agreement_legal/data/agreement_type.xml

<?xml version="1.0"?>
<odoo>

    <record id="agreement_type_agreement" model="agreement.type">
        <field name="name">Agreement</field>
    </record>

    <record id="agreement_type_contract" model="agreement.type">
        <field name="name">Contract</field>
    </record>

    <record id="agreement_type_loi" model="agreement.type">
        <field name="name">Letter of Intent</field>
    </record>

</odoo>