feat(router): 优化路由排序逻辑并添加菜单排序权重支持

src/pages/demos/i18n-demo.page.vue

@@ -1,6 +1,8 @@
 <script setup lang="ts">
 definePage({
-  meta: {},
+  meta: {
+    order: 1,
+  },
 });
 const { t, locale } = useI18n();
 

src/pages/demos/index.page.vue

@@ -1,4 +1,8 @@
 <script setup lang="ts">
-definePage({ meta: { link: !false } });
+definePage({
+  meta: {
+    link: !false,
+  },
+});
 </script>
 <template><div>Demos</div></template>