add discussion link

generate_collection_using_huggingface_hub.ipynb

@@ -963,7 +963,7 @@
     "\n",
     "In this tutorial we've seen how to use the `huggingface_hub` library to create a collection that curates the top 10% most used instruction tuning datasets on the Hub. We've also seen how we can use the `huggingface_hub` library to explore our collection and the datasets in it.\n",
     "\n",
-    "There are many potential opportunities to build on this approach to automatically/semi-automatically curate useful collections."
+    "There are many potential opportunities to build on this approach to automatically/semi-automatically curate useful collections. If you come up with a cool use case for this approach, we'd love to hear about it! You can ping me on Twitter ([@vanstriendaniel](https://twitter.com/vanstriendaniel)) or you can add to this [Discussion](https://huggingface.co/spaces/librarian-bots/tutorials/discussions/1)."
    ]
   }
  ],