update Jackson-demo

Author: Y4tacker

README.md

@@ -82,6 +82,7 @@
 
 - [Jackson的利用触发及小细节](https://github.com/Y4tacker/JavaSec/blob/main/3.FastJson%E4%B8%93%E5%8C%BA/Jackson%E7%9A%84%E5%88%A9%E7%94%A8%E8%A7%A6%E5%8F%91/index.md)
 - [Jackson原生反序列化Gadgets](https://xz.aliyun.com/t/12485#toc-5)
+  - [Jackson构造过程会触发利用导致中断可通过重写类解决(附上demo学习)](https://github.com/Y4tacker/JavaSec/blob/main/3.FastJson%E4%B8%93%E5%8C%BA/Jackson%E5%8E%9F%E7%94%9F%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96Gadget/Jackson.txt(%E6%94%B9zip%E5%90%8E%E7%BC%80%E8%A7%A3%E5%8E%8B).txt)
 - [Fastjson基本用法](https://github.com/Y4tacker/JavaSec/blob/main/3.FastJson专区/Fastjson%E5%9F%BA%E6%9C%AC%E7%94%A8%E6%B3%95/Fastjson%E5%9F%BA%E6%9C%AC%E7%94%A8%E6%B3%95.md)
 - [Fastjson1.1.15-1.2.4与BCEL字节码加载](https://github.com/Y4tacker/JavaSec/blob/main/3.FastJson专区/Fastjson1.1.15-1.2.4%E4%B8%8EBCEL%E5%AD%97%E8%8A%82%E7%A0%81%E5%8A%A0%E8%BD%BD/Fastjson1.1.15-1.2.4%E4%B8%8EBCEL%E5%AD%97%E8%8A%82%E7%A0%81%E5%8A%A0%E8%BD%BD.md)
 - [Fastjson1.22-1.24反序列化分析之JNDI](https://github.com/Y4tacker/JavaSec/blob/main/3.FastJson专区/Fastjson1.22-1.24/Fastjson1.22-1.24%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96%E5%88%86%E6%9E%90%E4%B9%8BJNDI/Fastjson1.22-1.24.md)