- Add `.drone.yml` with Drone CI pipeline for automated Docker image building and deployment
- Configure multi-stage build process: build Docker images and push to Harbor registry, then deploy via SSH
- Add CI-CD deployment documentation with architecture overview, quick start guide, and configuration templates
- Include single-service and multi-service project templates for reference
- Update `src/Dockerfile` for CI/CD integration
- Enable automated deployment to staging server on master branch push events
