storage_image/views/js.xml
<?xml version="1.0" encoding="utf-8"?>
<!-- vim:fdn=3:
-->
<odoo>
<template id="assets_backend" name="storage_image assets" inherit_id="web.assets_backend">
<xpath expr="." position="inside">
<script type="text/javascript" src="/storage_image/static/src/js/storage_image.js"></script>
</xpath>
</template>
</odoo>