添加api文档，并修复几个css问题

Author: vhvy

client/src/device/scale/index.js

@@ -16,7 +16,7 @@ import { WebFakeScale } from "./webFakeScale";
 // ];
 
 
-// web版本电子秤
+// web版本假电子秤数据
 export const ScaleList = [
     {
         name: "大华电子秤",

client/src/styles/data/import.scss

@@ -157,6 +157,9 @@
 
       .right-wrap {
         flex: 1;
+        :global(.ant-form-item) {
+          margin-bottom: 18px;
+        }
       }
     }
 
@@ -168,6 +171,10 @@
     }
 
     .fields-config-wrap {
+
+      & > p:first-of-type {
+        margin-bottom: 10px;
+      }
       :global(.ant-row) {
         margin-bottom: 0px;
       }