fix: resolve Next.js 15 ESM export issue with chessground

Replace deprecated transpile module and add chessground to transpilePackages

Co-authored-by: Kevin Thomas <46242684+kevinjosethomas@users.noreply.github.com>

Author: v0[bot]

next.config.js

@@ -1,11 +1,9 @@
 /** @type {import('next').NextConfig} */
 
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const withTM = require('next-transpile-modules')(['@react-chess/chessground'])
-
-module.exports = withTM({
+module.exports = {
   reactStrictMode: false,
   output: 'standalone',
+  transpilePackages: ['@react-chess/chessground', 'chessground'],
   async rewrites() {
     return [
       {
@@ -44,4 +42,4 @@ module.exports = withTM({
     ]
   },
   skipTrailingSlashRedirect: true,
-})
+}

package.json

@@ -22,7 +22,7 @@
     "gray-matter": "^4.0.3",
     "lila-stockfish-web": "^0.0.7",
     "next": "^15.2.6",
-    "next-transpile-modules": "^10.0.1",
+
     "onnxruntime-web": "^1.23.0",
     "posthog-js": "^1.257.0",
     "posthog-node": "^5.3.1",