feat 新增接口描述 docs页面 ，新增S3 图片get upload 操作，整理代码

fix

app/api/api_design_pre_processing.py

@@ -1,6 +1,8 @@
 import json
 import logging
+
 from fastapi import APIRouter, HTTPException
+
 from app.schemas.pre_processing import DesignPreProcessingModel
 from app.schemas.response_template import ResponseModel
 from app.service.design_pre_processing.service import DesignPreprocessing
@@ -11,6 +13,22 @@ logger = logging.getLogger()
 
 @router.post("/design_pre_processing")
 def design_pre_processing(request_data: DesignPreProcessingModel):
+    """
+        design 预处理 获取sketch的基本信息
+        创建一个具有以下参数的请求体:
+        - **sketches**: sketch url等信息
+
+        示例参数：
+        {
+            "sketches": [
+                {
+                    "image_category": "dress",
+                    "image_id": "107903",
+                    "image_url": "aida-sys-image/images/female/dress/0628000000.jpg"
+                }
+            ]
+        }
+    """
     try:
         logger.info(f"design_pre_processing request item is : @@@@@@:{request_data}")
         server = DesignPreprocessing()