添加doc预览

packages/sample/src/main.vue

@@ -1,14 +1,18 @@
 <template>
+  <div>
+    <h2>author: {{ author }}</h2>
     <div>Hello {{ name }}</div>
+  </div>
 </template>
 
 <script>
-    export default {
-        name: 'SampleComponent',
-        data() {
-            return {
-                name: 'World'
-            };
-        }
-    };
+  export default {
+    name: 'Sample',
+    props: ['author'],
+    data() {
+      return {
+        name: 'World'
+      };
+    }
+  };
 </script>