feat: 新增 Docker Compose 一键部署，支持 GPU/CPU 双模式

README.md

@@ -114,10 +114,18 @@ docker run --gpus all -p 8000:8000 astrai:latest \
 
 # Run with volume mount for data
 docker run --gpus all -v /path/to/data:/data -it astrai:latest
+
+# Docker Compose (GPU, default)
+docker compose up -d
+
+# Docker Compose (CPU only)
+docker compose --profile cpu up -d
 ```
 
 > **Note**: `--gpus all` is required for CUDA support. Without it, `torch.cuda.is_available()` will return `False`.
 
+> **Note**: `--gpus all` is required for CUDA support. Without it, `torch.cuda.is_available()` will return `False`.
+
 #### Start HTTP Server
 
 Start the inference server with OpenAI and Anthropic-compatible HTTP API: