field_rrule/views/templates.xml
<?xml version="1.0" encoding="UTF-8"?>
<openerp>
<data>
<template id="assets_backend" name="field_rrule assets" inherit_id="web.assets_backend">
<xpath expr="." position="inside">
<script type="text/javascript" src="/field_rrule/static/src/js/field_rrule.js"></script>
<link rel="stylesheet" href="/field_rrule/static/src/css/field_rrule.css"/>
</xpath>
</template>
</data>
</openerp>