Enhance Docker configuration and update dependencies for Realtime Agent Studio

- Updated Dockerfile for the API to include build tools for C++11 required for native extensions.
- Revised requirements.txt to upgrade several dependencies, including FastAPI and SQLAlchemy.
- Expanded docker-compose.yml to add MinIO service for S3-compatible storage and improved health checks for backend and engine services.
- Enhanced README.md in the Docker directory to provide detailed service descriptions and quick start instructions.
- Updated mkdocs.yml to reflect new navigation structure and added deployment overview documentation.
- Introduced new Dockerfiles for the engine and web services, including development configurations for hot reloading.

engine/.dockerignore

@@ -0,0 +1,51 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+.venv/
+venv/
+ENV/
+.eggs/
+*.egg-info/
+*.egg
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# Logs
+logs/
+*.log
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
+
+# Environment
+.env
+.env.local
+*.env
+
+# Git
+.git/
+.gitignore
+
+# Docker
+Dockerfile
+.dockerignore
+
+# Development files
+*.md
+tests/
+examples/
+scripts/
+docs/
+
+# Running artifacts
+running/