Update make_slideshow to upload generated video and return the uploaded URL

main.py

@@ -215,7 +215,8 @@ async def make_slideshow(request: SlideshowRequest):
         # Return URL to the video
         base_url = "https://saq1b-api.hf.space/static"
         video_url = f"{base_url}/{request_id}/slideshow.mp4"
-        return {"url": video_url}
+        uploaded_video_url = upload_video(video_url)
+        return {"url": uploaded_video_url}
     
     except Exception as e:
         # Clean up on error