pwa 관련 경고 제거를 위한 수정

아래의 문구를 없애기 위해 개발시 비활성화

 ⚠ GenerateSW has been called multiple times, perhaps due to running webpack in --watch mode. The precache manifest generated after the first call may be inaccurate! Please see GoogleChrome/workbox#1790 for more information

next.config.js

@@ -1,6 +1,10 @@
-const withPWA = require('next-pwa')({ dest: 'public' });
+const withPWA = require('next-pwa')({
+  dest: 'public',
+  disable: process.env.NODE_ENV === 'development',
+});
 const { withSentryConfig } = require('@sentry/nextjs');
 
+/** @type {import('next').NextConfig} */
 const nextConfig = {
   reactStrictMode: true,
   images: {