Add entrypoint script to run prisma db push on startup

entrypoint.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+set -e
+
+echo "Running Prisma DB push to ensure tables exist..."
+npx prisma db push --skip-generate --accept-data-loss
+
+echo "Starting Next.js server..."
+exec node server.js