update README

Author: liuduanfei

projects/art_pi_net_player/README.md

@@ -116,3 +116,10 @@
 
 本例程用到了helix解码库，且网络数据源为网易云，仅供学习交流。
 
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+## 联系人信息
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+维护人:
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+- [liuduanfei]([liuduanfei (liuduanfei) (github.com)](https://github.com/liuduanfei)), 邮箱：[[email protected]](mailto:[email protected])