Add pipeline tag (#2)

- Add pipeline tag (fe8b3b6787f7a7c2f7fcca2788ee38401a7ae7af)


Co-authored-by: Niels Rogge <nielsr@users.noreply.huggingface.co>

README.md

@@ -1,4 +1,5 @@
 ---
+pipeline_tag: text-to-video
 license: other
 license_name: tencent-hunyuan-community
 license_link: LICENSE