When specifying a data source as a URL, the default depth is 1. How do I modify this to be deeper?

npm create llama@latest
Need to install the following packages:
create-llama@latest
Ok to proceed? (y) y
✔ What is your project named? … my-app
✔ Which template would you like to use? › Agentic RAG (e.g. chat with docs)
✔ Which framework would you like to use? › NextJS
✔ Would you like to set up observability? › No
✔ Please provide your OpenAI API key (leave blank to skip): …
✔ Which data source would you like to use? › URL