Function VStack

VStack(props: ContainerProps, children: Node[]): ContainerNode
Create a vertical stack container — children laid out top to bottom.

Equivalent to CSS flex-direction: column. Main axis is vertical, cross axis is horizontal.
Parameters
- props: ContainerProps
  Layout, sizing, scrolling, focus, and interaction props.
- children: Node[]
  Ordered child nodes.
Returns ContainerNode
A container node for the UI tree.
Example
```
VStack({ flex: 1, gap: 1 }, [
  Text("Hello"),
  Text("World"),
])
```
- Defined in core/src/primitives/stacks.ts:19