fix: Move database migrations to startup script for Railway deployment

Author: Convert-ToInt32

package.json

@@ -5,13 +5,13 @@
   "scripts": {
     "dev": "next dev -p 3001",
     "build": "next build",
-    "start": "next start",
+    "start": "prisma migrate deploy && next start",
     "lint": "next lint",
     "db:generate": "prisma generate",
     "db:push": "prisma db push",
     "db:migrate": "prisma migrate deploy",
     "db:seed": "tsx prisma/seed.ts",
-    "postinstall": "prisma generate && prisma migrate deploy"
+    "postinstall": "prisma generate"
   },
   "dependencies": {
     "@auth/prisma-adapter": "^2.10.0",