新增分享码日志管理，美化界面，优化代码上传脚本

backend/src/models/index.js

@@ -1,5 +1,6 @@
 const Brand = require('./Brand');
 const Model = require('./Model');
 const Ota = require('./Ota');
+const ShareCodeLog = require('./ShareCodeLog');
 
-module.exports = { Brand, Model, Ota };
+module.exports = { Brand, Model, Ota, ShareCodeLog };