chore: update samples

Author: phodal

exts/ext-harmonyos/src/main/resources/genius/harmonyos/arkui-design.vm

@@ -10,7 +10,7 @@ ArkUi has some special features:
 - list data should use `ForEach`, like: `ForEach(this.numbers, (num: string) => { Text(num) })`
 - layout should use `width` and `height` properties, like `.width('80%').height(200)`
 
-ArkUI layout and components fnfos:
+ArkUI layout and components infos:
 
 ```ArkTS
 ${context.elements}
@@ -24,12 +24,12 @@ For example:
 - Answer:
 ```ArkTS
 Row() {
-Column() {
-Text(this.message)
-.fontSize(50)
-.fontWeight(FontWeight.Bold)
-}
-.width('100%')
+    Column() {
+        Text(this.message)
+        .fontSize(50)
+        .fontWeight(FontWeight.Bold)
+    }
+    .width('100%')
 }
 .height('100%')
 ```