message: add version to viewer module export
diff: @@ -25,6 +25,8 @@ import { DownloadDensity } from '../../mol-plugin-state/actions/volume';
  import { PluginLayoutControlsDisplay } from '../../mol-plugin/layout';
  require('mol-plugin-ui/skin/light.scss');
  +export { PLUGIN_VERSION as version } from '../../mol-plugin/version';
  +
  const Extensions = {
  'cellpack': PluginSpec.Behavior(CellPack),
  'pdbe-structure-quality-report': PluginSpec.Behavior(PDBeStructureQualityReport),
  