添加接口
Merge branch 'newui' of https://github.com/lln7777/zhuyun into user
Merge branch 'jack' of https://github.com/lln7777/zhuyun into user
Merge branch 'dev' of https://github.com/lln7777/zhuyun into user

Conflicts:
	views/main.ejs
切换分之之前提交代码
用户mongodb
首页架构预览
切换分成之前的提交
完成架构预览的3D 展示效果
Merge branch 'dev' of https://github.com/lvlx/zhuyun into jack
添加user注册接口
Merge branch 'dev' of https://github.com/lln7777/zhuyun into user
登录，注册 前端页面
修改主键
Merge branch 'user' of https://github.com/lln7777/zhuyun into regui
设置主键
Merge branch 'user' of https://github.com/lln7777/zhuyun into regui
保存架构到数据库在首页预览
保存架构到预览
优化功能