feat(harmonyos): add margin to Button in ArkUiComponentType

Add margin to the Button component in ArkUiComponentType file to create space on the left of the button.

Author: phodal

exts/ext-harmonyos/src/main/kotlin/cc/unitmesh/harmonyos/actions/auto/ArkUiComponentType.kt

@@ -4,6 +4,7 @@ enum class ArkUiComponentType(val description: String, val example: String) {
     Button(
         "可快速创建不同样式的按钮。", "Button('Ok', { type: ButtonType.Normal, stateEffect: true }) \n" +
                 "  .borderRadius(8) \n" +
+                "  .margin({ left: 12 }) \n" +
                 "  .backgroundColor(0x317aff) \n" +
                 "  .width(90)\n" +
                 "  .height(40)"