Update README.md

Author: KorStrix

README.md

@@ -1,6 +1,7 @@
 # unity-utils
 
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/7edcab32b58346089dc9fd84caff2bd8)](https://app.codacy.com/gh/unity-korea-community/unity-utils?utm_source=github.com&utm_medium=referral&utm_content=unity-korea-community/unity-utils&utm_campaign=Badge_Grade_Settings)
+[![CI_SONAR_CLOUD](https://github.com/unity-korea-community/unity-utils/actions/workflows/sonarcloud-analysis.yml/badge.svg?branch=workspace)](https://github.com/unity-korea-community/unity-utils/actions/workflows/sonarcloud-analysis.yml)
 
 ## 소개