* 👷 build: add docker compose to setup local services for development
* 👷 build: setup dotenv-expand for all the npm scripts
* 🐛 fix: remove useless comments
* 📚 docs: add server-side database setup guide with i18n support
- Add comprehensive server-side database setup documentation
- Include step-by-step Docker service configuration
- Add Chinese localization for better developer experience
- Cover environment setup, database migration, and verification steps