chore: add trailingComma

src/skeleton/demo/index.vue

@@ -27,7 +27,7 @@
         :loading="!show"
       >
         <div class="demo-preview">
-          <img src="https://img.yzcdn.cn/vant/logo.png">
+          <img src="https://img.yzcdn.cn/vant/logo.png" />
           <div class="demo-content">
             <h3>{{ $t('title') }}</h3>
             <p>{{ $t('desc') }}</p>
@@ -45,21 +45,21 @@ export default {
       showAvatar: '显示头像',
       showChildren: '显示子组件',
       title: '关于 Vant',
-      desc: 'Vant 是一套轻量、可靠的移动端 Vue 组件库，提供了丰富的基础组件和业务组件，帮助开发者快速搭建移动应用。'
+      desc: 'Vant 是一套轻量、可靠的移动端 Vue 组件库，提供了丰富的基础组件和业务组件，帮助开发者快速搭建移动应用。',
     },
     'en-US': {
       showAvatar: 'Show Avatar',
       showChildren: 'Show Children',
       title: 'About Vant',
-      desc: 'Vant is a set of Mobile UI Components built on Vue.'
-    }
+      desc: 'Vant is a set of Mobile UI Components built on Vue.',
+    },
   },
 
   data() {
     return {
-      show: false
+      show: false,
     };
-  }
+  },
 };
 </script>