test add readme
npm install
npm run db:up # PostgreSQL untuk tes di port 5433
npm test # tes black-box HTTP API
DATABASE_URL=postgres://user:pass@host:5432/db npm start
Endpoint: POST /api/auth/register, POST /api/auth/login, POST /api/auth/logout, GET /api/me,
GET /api/{calon-pengantin,vendor,admin}/me. Keputusan stack: docs/adr/0002-stack-backend-node-postgres.md.