Add model card with pipeline tag, library name and usage example

README.md

@@ -1,5 +1,7 @@
 ---
 license: mit
+pipeline_tag: image-to-video
+library_name: diffusers
 ---
 
 This model performs image-to-video generation based on the paper [FlexWorld: Progressively Expanding 3D Scenes for Flexible-View Synthesis](https://arxiv.org/abs/2503.13265).
@@ -15,4 +17,4 @@ A basic example of generating a static scene video given an image and a camera t
 ```bash
 # You can utilize our CamPlanner class to freely construct the desired trajectory at line 13 in the `video_generate.py` file.
 python video_generate.py --input_image_path ./assets/room.png --output_dir ./results-single-traj
-```
+```