更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/workbox-expiration/index.d.ts

@@ -0,0 +1,7 @@
+import { CacheExpiration } from './CacheExpiration.js';
+import { ExpirationPlugin, ExpirationPluginOptions } from './ExpirationPlugin.js';
+import './_version.js';
+/**
+ * @module workbox-expiration
+ */
+export { CacheExpiration, ExpirationPlugin, ExpirationPluginOptions };