docs: use @wxt-dev/module-vue instead of @vitejs/plugin-vue in faq [ci skip] (#552)

Author: typed-sigterm

docs/help/faq.md

@@ -85,13 +85,12 @@ export default defineConfig({
 ```ts
 // wxt.config.ts
 import { defineConfig } from 'wxt'
-import vue from '@vitejs/plugin-vue'
 import devtools from 'vite-plugin-vue-devtools'
 
 export default defineConfig({
+  modules: ['@wxt-dev/module-vue'],
   vite: () => ({
     plugins: [
-      vue(),
       devtools({
         // your app entrypoint (wherever you call createApp())
         appendTo: '/entrypoints/popup/main.ts',