feat: implement Prisma client and standalone database initialization script

Dockerfile

@@ -45,6 +45,7 @@ COPY --from=builder /app/.next/standalone ./
 COPY --from=builder /app/.next/static ./.next/static
 COPY --from=builder /app/prisma ./prisma
 COPY --from=builder /app/prisma.config.ts ./prisma.config.ts
+COPY --from=builder /app/scripts ./scripts
 
 # Explicitly copy all native/prisma node_modules (required for standalone mode)
 COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma