chore: Setup ai components package

[snowystinger]

Closes

Sets up a new @react-spectrum/s2-ai package where we can develop the new and nebulous ai components that Spectrum is experimenting with.

✅ 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

📝 Test Instructions:

🧢 Your Project:

[rspbot]

Build successful! 🎉

• View the storybook
• View the S2 storybook
• View the S2 docs
• View the React Aria docs

[rspbot]

Build successful! 🎉

• View the storybook
• View the S2 storybook
• View the S2 docs
• View the React Aria docs

[rspbot]

## API Changes

@react-spectrum/s2-ai

/@react-spectrum/s2-ai:Asset

+Asset {
+
+}

/@react-spectrum/s2-ai:AssetList

+AssetList {
+
+}

/@react-spectrum/s2-ai:BasicHorizontalCard

+BasicHorizontalCard {
+  UNSAFE_className?: UnsafeClassName
+  UNSAFE_style?: CSSProperties
+  children: ReactNode | (CardRenderProps) => ReactNode
+  density?: 'compact' | 'regular' | 'spacious' = 'regular'
+  download?: boolean | string
+  href?: Href
+  hrefLang?: string
+  id?: Key
+  isDisabled?: boolean
+  onAction?: () => void
+  onPress?: (PressEvent) => void
+  onPressChange?: (boolean) => void
+  onPressEnd?: (PressEvent) => void
+  onPressStart?: (PressEvent) => void
+  onPressUp?: (PressEvent) => void
+  ping?: string
+  referrerPolicy?: HTMLAttributeReferrerPolicy
+  rel?: string
+  routerOptions?: RouterOptions
+  size?: 'XS' | 'S' | 'M' | 'L' | 'XL' = 'M'
+  styles?: StylesProp
+  target?: HTMLAttributeAnchorTarget
+  textValue?: string
+  value?: T
+  variant?: 'primary' | 'secondary' | 'tertiary' | 'quiet' = 'primary'
+}

/@react-spectrum/s2-ai:HorizontalCard

+HorizontalCard {
+  UNSAFE_className?: UnsafeClassName
+  UNSAFE_style?: CSSProperties
+  children: ReactNode | (CardRenderProps) => ReactNode
+  density?: 'compact' | 'regular' | 'spacious' = 'regular'
+  download?: boolean | string
+  href?: Href
+  hrefLang?: string
+  id?: Key
+  isDisabled?: boolean
+  onAction?: () => void
+  onPress?: (PressEvent) => void
+  onPressChange?: (boolean) => void
+  onPressEnd?: (PressEvent) => void
+  onPressStart?: (PressEvent) => void
+  onPressUp?: (PressEvent) => void
+  ping?: string
+  referrerPolicy?: HTMLAttributeReferrerPolicy
+  rel?: string
+  routerOptions?: RouterOptions
+  size?: 'XS' | 'S' | 'M' | 'L' | 'XL' = 'M'
+  styles?: StylesProp
+  target?: HTMLAttributeAnchorTarget
+  textValue?: string
+  value?: T
+  variant?: 'primary' | 'secondary' | 'tertiary' | 'quiet' = 'primary'
+}

---