feat: 法语词汇学习应用

- Vue 3 + TypeScript + Tailwind CSS
- 词汇学习和管理功能
- 支持生词本和复习

public/sw.js

@@ -0,0 +1,24 @@
+const CACHE_NAME = 'french-vocab-v1';
+const urlsToCache = [
+  '/',
+  '/index.html',
+  '/assets/index.css',
+  '/assets/index.js'
+];
+
+self.addEventListener('install', (event) => {
+  event.waitUntil(
+    caches.open(CACHE_NAME)
+      .then((cache) => cache.addAll(urlsToCache))
+  );
+});
+
+self.addEventListener('fetch', (event) => {
+  event.respondWith(
+    caches.match(event.request)
+      .then((response) => {
+        if (response) return response;
+        return fetch(event.request);
+      })
+  );
+});