note: to use with ERP5JS, change CSP on the web site to something including
lab.nexedi.com:

    default-src 'self'; img-src 'self' data: blob:; media-src 'self' blob:; connect-src 'self' lab.nexedi.com data:; script-src 'self'; font-src 'self'; style-src 'self' data:; frame-src 'self' data: