addPerson defined but not used in example

[smolattack]

🙋 Documentation Request

the addPerson function in the useTreeData example is never used.

https://react-spectrum.adobe.com/react-aria/collections.html

🧢 Your Company/Team

No response

[anmol-fzr]

@LFDanLu I would like to contribute to this issue.

[LFDanLu]

Sure, go for it! I think it would be fine to either remove addPerson or add to the code snippet to simulate its usage.