Update README.md

Author: DefTruth

README.md

@@ -7,6 +7,7 @@
   <img src=https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg >
   <img src=https://img.shields.io/github/downloads/DefTruth/Awesome-LLM-Inference/total?color=ccf&label=downloads&logo=github&logoColor=lightgrey >
   <img src=https://img.shields.io/github/stars/DefTruth/Awesome-LLM-Inference.svg?style=social >
+  <img src=https://img.shields.io/badge/Release-v2.6-brightgreen.svg >
   <img src=https://img.shields.io/badge/License-GPLv3.0-turquoise.svg >
  </div>