Update README.md

Author: KorStrix

README.md

@@ -1,5 +1,6 @@
 # unity-utils
 
+![release](https://img.shields.io/github/v/release/unity-korea-community/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)
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