Develop py update schema (#37)

* feature: implement endpoints with multi-level response models
* refactor: move `/health` and `/config` endpoints to system module, remove example from base schemas
* refactor: remove unused get_standard_response_model()

runtime/datamate-python/app/module/system/schema/health.py

@@ -0,0 +1,10 @@
+from pydantic import Field
+
+from app.module.shared.schema import BaseResponseModel
+from app.module.shared.schema import StandardResponse
+
+class HealthResponse(BaseResponseModel):
+    """健康检查响应模型"""
+    status: str = Field(..., description="服务状态")
+    service: str = Field(..., description="服务名称")
+    version: str = Field(..., description="应用版本")