docs: update doc

Author: kaigedong

README.md

@@ -10,6 +10,7 @@
 
 + https://github.com/Ftindy/IPTV-URL [![GitHub last commit](https://img.shields.io/github/last-commit/Ftindy/IPTV-URL.svg)](https://github.com/Ftindy/IPTV-URL) [![GitHub stars](https://img.shields.io/github/stars/Ftindy/IPTV-URL.svg?style=social)](https://github.com/Ftindy/IPTV-URL)
 
++ https://github.com/HerbertHe/iptv-sources [![GitHub last commit](https://img.shields.io/github/last-commit/HerbertHe/iptv-sources.svg)](https://github.com/HerbertHe/iptv-sources) [![GitHub stars](https://img.shields.io/github/stars/HerbertHe/iptv-sources.svg?style=social)](https://github.com/HerbertHe/iptv-sources)
 
 +  ✯ 一个可直连访问的电视/广播图标库与相关工具项目 ✯ 🔕 永久免费 直连访问 完整开源 不断完善的台标 支持IPv4/IPv6双栈访问 🔕 
 https://github.com/fanmingming/live [![GitHub last commit](https://img.shields.io/github/last-commit/fanmingming/live.svg)](https://github.com/fanmingming/live) [![GitHub stars](https://img.shields.io/github/stars/fanmingming/live.svg?style=social)](https://github.com/fanmingming/live)