build: 配置代码格式化

src/components/HelloWorld.vue

@@ -19,16 +19,12 @@ const count = ref(0)
   <p>See <code>README.md</code> for more information.</p>
 
   <p>
-    <a href="https://vitejs.dev/guide/features.html" target="_blank">
-      Vite Docs
-    </a>
+    <a href="https://vitejs.dev/guide/features.html" target="_blank"> Vite Docs </a>
     |
     <a href="https://v3.vuejs.org/" target="_blank">Vue 3 Docs</a>
   </p>
 
-  <button type="button" @click="count++">
-    count is: {{ count }}
-  </button>
+  <button type="button" @click="count++"> count is: {{ count }} </button>
   <p>
     Edit
     <code>components/HelloWorld.vue</code> to test hot module replacement.
@@ -46,9 +42,9 @@ label {
 }
 
 code {
-  background-color: #eee;
   padding: 2px 4px;
-  border-radius: 4px;
   color: #304455;
+  background-color: #eee;
+  border-radius: 4px;
 }
 </style>