Allow to import javascript modules

When using Ionic StencilJS, the components are imported using the new module support: On {canvas: scripts: []} I can only load external scripts by their url. To cover such case, we could import modules as this: The final result inside canvas would be: Notice that this would cover also the case when we want to use integrity or crossorigin in <script> tags and, of course, inserting a url string would still work as it is today.