chore: update README.md

README.md

@@ -24,18 +24,12 @@ Example `astro.config.mjs`
 
 ```js
 import { defineConfig } from "astro/config";
-import node from "@astrojs/node";
 import serviceWorker from "@ayco/astro-sw";
 
 export default defineConfig({
-  output: "server",
-  adapter: node({
-    mode: "middleware"
-  }),
   integrations: [
     serviceWorker({
       path: "./src/sw.js",
-      assetCachePrefix: 'cozy-reader',
     })
   ]
 });