AI Researcher and Video Studio implementation complete

frontend/src/components/VideoStudio/dashboard/previews/index.ts

@@ -1,3 +1,5 @@
 export { CreateVideoPreview } from './CreateVideoPreview';
 export { AvatarVideoPreview } from './AvatarVideoPreview';
 export { EnhanceVideoPreview } from './EnhanceVideoPreview';
+export { VideoTranslatePreview } from './VideoTranslatePreview';
+export { VideoBackgroundRemoverPreview } from './VideoBackgroundRemoverPreview';