chore: typo (#278)

Author: Enoooch

questions/208-tree-component/README.md

@@ -9,7 +9,7 @@ interface TreeData {
   title: string
   children: TreeData[]
 }
-defineProps<{data: TreeData}>()
+defineProps<{data: TreeData[]}>()
 </script>
 
 <template>

questions/208-tree-component/README.zh-CN.md

@@ -10,7 +10,7 @@ interface TreeData {
   title: string
   children: TreeData[]
 }
-defineProps<{data: TreeData}>()
+defineProps<{data: TreeData[]}>()
 </script>
 
 <template>

questions/208-tree-component/TreeComponent.vue

@@ -4,7 +4,7 @@ interface TreeData {
   title: string
   children: TreeData[]
 }
-defineProps<{data: TreeData}>()
+defineProps<{data: TreeData[]}>()
 </script>
 
 <template>