Add library name to model card

This PR adds the `library_name` to the model card metadata, specifying that the model utilizes the Hugging Face `diffusers` library.

README.md

@@ -1,7 +1,9 @@
 ---
 license: apache-2.0
 pipeline_tag: text-to-video
+library_name: diffusers
 ---
+
 # Lumina-Video
 
 Official repository for Lumina-Video, a preliminary tryout of the Lumina series for Video Generation
@@ -60,4 +62,6 @@ Github link: [Github](https://github.com/Alpha-VLLM/Lumina-Video)
           <video src="https://huggingface.co/spaces/agua123/demo_video/resolve/main/T2V%2BA-examples/6.mp4" width="100%" controls autoplay loop muted></video>
       </td>
   </tr>
-</table>
+</table>
+
+```