{% comment %}

    Embed Universal Viewer to load item from an IIIF manifest file, https://github.com/UniversalViewer/universalviewer 
    This include assumes that Item's object_location field is a relative link or direct url to a IIIF manifest json file. e.g. https://wellcomelibrary.org/iiif/b18035723/manifest 
    If you are using an external manifest url, you may encounter CORS policy error if the server hosting the manifest is not set up correctly--one workaround is to download the json file, add to yo