chore: prettier all demos

src/panel/demo/index.vue

@@ -1,28 +1,17 @@
 <template>
   <demo-section>
     <demo-block :title="$t('basicUsage')">
-      <van-panel
-        :title="$t('title')"
-        :desc="$t('desc')"
-        :status="$t('status')"
-      >
+      <van-panel :title="$t('title')" :desc="$t('desc')" :status="$t('status')">
         <div>{{ $t('content') }}</div>
       </van-panel>
     </demo-block>
 
     <demo-block :title="$t('advancedUsage')">
-      <van-panel
-        :title="$t('title')"
-        :desc="$t('desc')"
-        :status="$t('status')"
-      >
+      <van-panel :title="$t('title')" :desc="$t('desc')" :status="$t('status')">
         <div>{{ $t('content') }}</div>
         <template #footer>
           <van-button size="small">{{ $t('button') }}</van-button>
-          <van-button
-            size="small"
-            type="danger"
-          >
+          <van-button size="small" type="danger">
             {{ $t('button') }}
           </van-button>
         </template>