docs: Add HarmonyOS client section to README

Author: qiin2333

README.md

@@ -69,6 +69,9 @@ Foundation Sunshine 在编码层新增 HLG（Hybrid Log-Gamma, ITU-R BT.2100）
 ### 📱 iOS客户端
 [![虚空终端 Moonlight-iOS](https://img.shields.io/badge/Voidlink-Moonlight--iOS-lightgrey?style=for-the-badge&logo=apple)](https://github.com/The-Fried-Fish/VoidLink-previously-moonlight-zwm)
 
+### 📱 鸿蒙客户端
+[![Moonlight V+ for HarmonyOS](https://img.shields.io/badge/Moonlight%20V%2B-HarmonyOS-red?style=for-the-badge)](https://appgallery.huawei.com/app/detail?id=com.alkaidlab.sdream)
+
 
 ### 🛠️ 其他资源 
 [awesome-sunshine](https://github.com/LizardByte/awesome-sunshine)