Docs: Add a new example using typescript for react-spectrum s2

[sarbull]

Adds a new example with typescript for react-spectrum v2 build sample.

✅ Pull Request Checklist:

• Included link to corresponding React Spectrum GitHub Issue.
• Added/updated unit tests and storybook for this change (for new code or code which already has tests).
• Filled out test instructions.
• Updated documentation (if it already exists for this component).
• Looked at the Accessibility Practices for this feature - Aria Practices

[yihuiliao]

Mind deleting the install-state.gz file and also having an empty yarn.lock file?

[sarbull]

@yihuiliao done