wip: displays file info for existing tv episodes

assets/bootstrap.js

@@ -1,5 +1,6 @@
 import { startStimulusApp } from '@symfony/stimulus-bundle';
+import Popover from '@stimulus-components/popover'
 
 const app = startStimulusApp();
 // register any custom, 3rd party controllers here
-// app.register('some_controller_name', SomeImportedController);
+app.register('popover', Popover);