add a video example

app.py

@@ -184,13 +184,17 @@ def main():
                 ["https://images.pexels.com/photos/1858175/pexels-photo-1858175.jpeg?auto=compress&cs=tinysrgb&h=614&w=614", None, "rtmo-s_coco_retrainable", None, 0.1, 0.65],
                 ["https://images.pexels.com/photos/3779706/pexels-photo-3779706.jpeg?auto=compress&cs=tinysrgb&h=614&w=614", None, "rtmo-t_8xb32-600e_body7", None, 0.1, 0.65],
                 ["https://images.pexels.com/photos/220453/pexels-photo-220453.jpeg?auto=compress&cs=tinysrgb&h=614&w=614", None, "rtmo-s_8xb32-600e_coco", None, 0.1, 0.65],
+                # 4th example: public-domain Rip Van Winkle (1896)
+                [None,
+                 "https://archive.org/download/fred-otts-sneeze/Fred%20Ott%20Sneeze%201894%20GG%20Restore.mp4",
+                 "rtmo-s_coco_retrainable", None, 0.1, 0.65],
             ],
             inputs=[img_input, video_input, remote_dd, upload_ckpt, bbox_thr, nms_thr],
             outputs=[output_img, output_video, active_tb],
             fn=predict,
             cache_examples=False,
             label="Examples",
-            examples_per_page=3
+            examples_per_page=4
         )
 
         run_btn.click(