示例页面增加 name

Former-commit-id: 29a736733a91a41b7d5b5469ddc534da09c7a3f5

src/pages/page1/index.vue

@@ -5,3 +5,9 @@
     <template slot="footer">footer</template>
   </d2-container>
 </template>
+
+<script>
+export default {
+  name: 'page1'
+}
+</script>

src/pages/page2/index.vue

@@ -5,3 +5,9 @@
     <template slot="footer">footer</template>
   </d2-container>
 </template>
+
+<script>
+export default {
+  name: 'page2'
+}
+</script>

src/pages/page3/index.vue

@@ -5,3 +5,9 @@
     <template slot="footer">footer</template>
   </d2-container>
 </template>
+
+<script>
+export default {
+  name: 'page3'
+}
+</script>