gnome-builder-hello-js/src/de.swingbe.hello-js.src.gresource.xml

<?xml version="1.0" encoding="UTF-8"?>
<gresources>
  <gresource prefix="/de/swingbe/hello-js/js">
    <file>main.js</file>
    <file>window.js</file>
  </gresource>
</gresources>