Add open-a-discussion badges (#14)

- Add open-a-discussion badges (180c5e865466add4285fe1590651bd8852dd47a8)


Co-authored-by: ChunTe Lee <[email protected]>

README.md

@@ -71,6 +71,20 @@ A set of badges you can use anywhere. Just update the anchor URL to point to the
 [![Open in Spaces](https://huggingface.co/datasets/huggingface/badges/raw/main/open-in-hf-spaces-xl.svg)](https://huggingface.co/spaces)
 [![Open in Spaces](https://huggingface.co/datasets/huggingface/badges/raw/main/open-in-hf-spaces-xl-dark.svg)](https://huggingface.co/spaces)
 
+## Open a Discussion
+
+[![Open in Spaces](https://huggingface.co/datasets/huggingface/badges/raw/main/open-a-discussion-sm.svg)](https://huggingface.co/spaces)
+[![Open in Spaces](https://huggingface.co/datasets/huggingface/badges/raw/main/open-a-discussion-sm-dark.svg)](https://huggingface.co/spaces)
+
+[![Open in Spaces](https://huggingface.co/datasets/huggingface/badges/raw/main/open-a-discussion-md.svg)](https://huggingface.co/spaces)
+[![Open in Spaces](https://huggingface.co/datasets/huggingface/badges/raw/main/open-a-discussion-md-dark.svg)](https://huggingface.co/spaces)
+
+[![Open in Spaces](https://huggingface.co/datasets/huggingface/badges/raw/main/open-a-discussion-lg.svg)](https://huggingface.co/spaces)
+[![Open in Spaces](https://huggingface.co/datasets/huggingface/badges/raw/main/open-a-discussion-lg-dark.svg)](https://huggingface.co/spaces)
+
+[![Open in Spaces](https://huggingface.co/datasets/huggingface/badges/raw/main/open-a-discussion-xl.svg)](https://huggingface.co/spaces)
+[![Open in Spaces](https://huggingface.co/datasets/huggingface/badges/raw/main/open-a-discussion-xl-dark.svg)](https://huggingface.co/spaces)
+
 ## Share to Community
 
 [![Share to Community](https://huggingface.co/datasets/huggingface/badges/raw/main/share-to-community-sm.svg)](https://huggingface.co/spaces)