Update app.py

app.py

@@ -137,6 +137,9 @@ def gradio_interface():
         Training: https://huggingface.co/datasets/openadmet/openadmet-expansionrx-challenge-train-data
         Test: https://huggingface.co/datasets/openadmet/openadmet-expansionrx-challenge-test-data-blinded
 
+        You can also watch a [Webinar](https://www.youtube.com/watch?v=9v0Ej_FL6k0) introducing the challenge run with [Collaborative Drug Discovery](https://www.collaborativedrug.com/).
+        We also have a [form](https://forms.gle/KiviZ7AaGcuqtrwH8) you can fill out for access to a CDD vault containing the challenge data and access to some other tools.
+
         ## ✅ How to Participate
         1. **Register**: Create an account with Hugging Face.
         2. **Walk through the tutorials**: We have prepared a [Tutorial](https://github.com/OpenADMET/ExpansionRx-Challenge-Tutorial/blob/main/expansion_tutorial.ipynb) showing how to train a model and submit to the leaderboard.