docs: version 0.4.7 -> 0.4.8

Author: devxb

README.md

@@ -4,7 +4,7 @@
 
 <br>
 
-![version 0.4.7](https://img.shields.io/badge/version-0.4.7-black?labelColor=black&style=flat-square) ![jdk 17](https://img.shields.io/badge/minimum_jdk-17-orange?labelColor=black&style=flat-square) ![load-test](https://img.shields.io/badge/load%20test%2010%2C000%2C000-success-brightgreen?labelColor=black&style=flat-square)    
+![version 0.4.8](https://img.shields.io/badge/version-0.4.8-black?labelColor=black&style=flat-square) ![jdk 17](https://img.shields.io/badge/minimum_jdk-17-orange?labelColor=black&style=flat-square) ![load-test](https://img.shields.io/badge/load%20test%2010%2C000%2C000-success-brightgreen?labelColor=black&style=flat-square)    
 ![redis--stream](https://img.shields.io/badge/-redis--stream-da2020?style=flat-square&logo=Redis&logoColor=white)
 
 **TPS(6,000)** on my Macbook air m2(default options). _[link](#Test1-TPS)_