OHIF v3 - specify how to get metadata separately from the image data

dataSources: [
    // This is a data source that loads the study metadata from JSON
    // and references the images as URLs in the JSON as JPEG.
    {
      friendlyName: 'dicom json',
      namespace: '@ohif/extension-default.dataSourcesModule.dicomjson',
      sourceName: 'dicomjson',
      configuration: {
        name: 'json',
      },
    },
]