feat: Add Docker Compose setup for fullstack deployment

- Add Frontend Dockerfile with Next.js standalone build
- Add docker-compose.yml for production deployment
- Add docker-compose.dev.yml for development with hot-reload
- Configure Frontend next.config.js with standalone output
- Add .dockerignore files for both backend and frontend
- Add comprehensive README-DOCKER.md documentation
- Update .gitignore to exclude node_modules and build artifacts
- Remove obsolete component files (CycleCalculator.tsx, PHDiagram.tsx)
- Backend and Frontend communicate via Docker network
- Healthchecks configured for both services
- Environment variables configured for API URL

.dockerignore

@@ -0,0 +1,14 @@
+__pycache__/
+.venv/
+test_outputs/
+tests/
+*.pyc
+*.pyo
+.pytest_cache/
+.git/
+tests_notebook/
+IPM_DLL/
+IPM_SO/
+*.xlsm
+datasets-2025-10-18-14-21.csv
+