Switch to using Webpack instead of Turbopack

Using Next.js 16.2.0 with Tailwind v4 and Turbopack currently has a known issue: Turbopack tries to resolve Tailwind from the parent directory instead of project folder

frontend/package.json

@@ -2,12 +2,12 @@
   "name": "frontend",
   "version": "0.1.0",
   "private": true,
-  "scripts": {
-    "dev": "next dev",
+"scripts": {
+  "dev": "next dev --webpack",
   "build": "next build",
   "start": "next start",
   "lint": "eslint"
-  },
+},
   "dependencies": {
     "next": "16.2.0",
     "react": "19.2.4",