added content to welcome message in app

app.py

@@ -157,6 +157,16 @@ Feel free to ask about any food or nutrient details, and we'll provide the most
 
 ---
 
+### Additional Resources
+
+The dataset powering this application is available on Hugging Face Datasets [here](https://huggingface.co/datasets/jacktol/usda_branded_food_data).
+
+To learn more about how this dataset and the USDA Food Assistant were created, check out the blog post [here](https://jacktol.net/posts/building_a_data_pipeline_for_usda_fooddata_central/).
+
+The full code for the data pipeline and the assistant can be found on GitHub [here](https://github.com/jack-tol/usda-food-assistant).
+
+---
+
 """
     msg = cl.Message(content=welcome_message)
     await msg.send()