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/Dockerfile

@@ -0,0 +1,26 @@
+FROM python:3.12-slim
+
+WORKDIR /app
+
+# Install system dependencies for audio processing
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    libportaudio2 \
+    libportaudiocpp0 \
+    portaudio19-dev \
+    ffmpeg \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY . .
+
+# Create necessary directories
+RUN mkdir -p /app/logs /app/data/vad
+
+EXPOSE 8001
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8001"]