eiru_purchases/templates.xml

<openerp>
    <data>
        <template id="eiru_purchases.assets" name="Eiru Purchases" inherit_id="eiru_assets.assets">
            <xpath expr="." position="inside">
                <link rel="stylesheet" href="/eiru_purchases/static/src/main.css" />
                <script type="text/javascript" src="/eiru_purchases/static/src/main.js" />
            </xpath>
        </template>

        <record id="eiru_purchases.client_action_launch" model="ir.actions.client">
            <field name="name">Eiru Purchases</field>
            <field name="tag">eiru_purchases.action_launch</field>
        </record>

        <menuitem id="eiru_purchases.launch" name="Nueva compra" parent="eiru_dashboard.eiru_dashboard_main" action="eiru_purchases.client_action_launch" sequence="3" />
    </data>
</openerp>