📝 add log and register details

Author: qinguoyi

README.md

@@ -239,6 +239,7 @@ Demo演示
 * [最新版Web服务器项目详解 - 09 日志系统（上）](https://mp.weixin.qq.com/s/IWAlPzVDkR2ZRI5iirEfCg)
 * [最新版Web服务器项目详解 - 10 日志系统（下）](https://mp.weixin.qq.com/s/f-ujwFyCe1LZa3EB561ehA)
 * [最新版Web服务器项目详解 - 11 数据库连接池](https://mp.weixin.qq.com/s?__biz=MzAxNzU2MzcwMw==&mid=2649274326&idx=1&sn=5af78e2bf6552c46ae9ab2aa22faf839&chksm=83ffbe8eb4883798c3abb82ddd124c8100a39ef41ab8d04abe42d344067d5e1ac1b0cac9d9a3&token=1450918099&lang=zh_CN#rd)
+* [最新版Web服务器项目详解 - 12 注册登录(上)](https://mp.weixin.qq.com/s/r478XqyxYasHC_96S-RndQ)
 * 持续更新ing...
 
 <div align=center><img src="http://ww1.sinaimg.cn/large/005TJ2c7ly1ge0j3jrepyj30ij0cvjt8.jpg" height="350"/> </div>