add: Spaces link.

Author: sayakpaul

docs/source/en/api/pipelines/text_to_video.mdx

@@ -24,13 +24,13 @@ Resources:
 
 * [Website](https://modelscope.cn/models/damo/text-to-video-synthesis/summary)
 * [GitHub repository](https://github.com/modelscope/modelscope/)
-* [Colab Notebook](https://colab.research.google.com/drive/13SmCwNyl2Fjjmmit6pX7IDUlYP9WIstL)
+* [🤗 Spaces](https://huggingface.co/spaces/damo-vilab/modelscope-text-to-video-synthesis)
 
 ## Available Pipelines:
 
 | Pipeline | Tasks | Demo
 |---|---|:---:|
-| [TextToVideoSDPipeline](https://github.com/huggingface/diffusers/blob/main/src/diffusers/pipelines/text_to_video_synthesis/pipeline_text_to_video_synth.py) | *Text-to-Video Generation* | [Colab Notebook](https://colab.research.google.com/drive/13SmCwNyl2Fjjmmit6pX7IDUlYP9WIstL)
+| [TextToVideoSDPipeline](https://github.com/huggingface/diffusers/blob/main/src/diffusers/pipelines/text_to_video_synthesis/pipeline_text_to_video_synth.py) | *Text-to-Video Generation* | [🤗 Spaces](https://huggingface.co/spaces/damo-vilab/modelscope-text-to-video-synthesis)
 
 ## Usage example