feat: 添加路由

src/main.ts

@@ -1,6 +1,8 @@
 import { createApp } from 'vue';
 import { createI18n } from 'vue-i18n';
+import { createMemoryHistory, createRouter } from 'vue-router';
 import App from './App.vue';
+import HelloWorld from './components/HelloWorld.vue';
 import './style.css';
 const i18n = createI18n({
   locale: 'zh',
@@ -18,7 +20,20 @@ const i18n = createI18n({
     },
   },
 });
+
+const routes = [
+  { path: '/', component: App },
+  { path: '/about', component: HelloWorld },
+];
+
+const router = createRouter({
+  history: createMemoryHistory(),
+  routes,
+});
 const app = createApp(App);
 
 app.use(i18n);
+
+app.use(router);
+
 app.mount('#app');