feat(runtime): 添加H函数组件示例和数组子节点标记支持

- 新增h-component.html示例文件展示直接创建虚拟DOM节点
- 在vnode.ts中为数组子节点添加ShapeFlags.ARRAY_CHILDREN标记
- 实现了绕过h函数直接构建组件虚拟节点的演示功能

packages/runtime-core/src/vnode.ts

@@ -32,6 +32,7 @@ export function normalizeChildren(vnode: VNode, children: unknown) {
   if (children == null) {
     children = null
   } else if (isArray(children)) {
+    type = ShapeFlags.ARRAY_CHILDREN
   } else if (typeof children === 'object') {
   } else if (isFunction(children)) {
   } else {