feat: 更新静态资源代理文档，优化路由和插件集成，提升代码可读性和功能性

agent/routes/index.ts

@@ -0,0 +1,14 @@
+import { app } from '../app.ts'
+import './route-create.ts'
+
+if (!app.hasRoute('auth', '')) {
+  app.route({
+    path: 'auth',
+    key: '',
+    id: 'auth',
+    description: '身份验证路由',
+  }).define(async (ctx) => {
+    //
+  }).addTo(app);
+}
+