Revert badges to flat style

README.md

@@ -25,10 +25,10 @@ pipeline_tag: text-to-speech
 </div>
 
 <p align="center">
-  <a href="https://www.krafton.ai/ko/"><img src="https://img.shields.io/badge/Homepage-KRAFTON%20AI-blue?style=flat-square&logo=google-chrome&logoColor=white" alt="Homepage"></a>
-  <a href="https://github.com/krafton-ai/Raon-OpenTTS"><img src="https://img.shields.io/badge/GitHub-Raon--OpenTTS-white?style=flat-square&logo=github&logoColor=black" alt="GitHub"></a>
+  <a href="https://www.krafton.ai/ko/"><img src="https://img.shields.io/badge/Homepage-KRAFTON%20AI-blue?style=flat&logo=google-chrome&logoColor=white" alt="Homepage"></a>
+  <a href="https://github.com/krafton-ai/Raon-OpenTTS"><img src="https://img.shields.io/badge/GitHub-Raon--OpenTTS-white?style=flat&logo=github&logoColor=black" alt="GitHub"></a>
   <a href="https://huggingface.co/KRAFTON"><img src="https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-KRAFTON-yellow?style=flat" alt="Hugging Face"></a>
-  <a href="https://x.com/Krafton_AI"><img src="https://img.shields.io/badge/X-KRAFTON%20AI-white?style=flat-square&logo=x&logoColor=black" alt="X"></a>
+  <a href="https://x.com/Krafton_AI"><img src="https://img.shields.io/badge/X-KRAFTON%20AI-white?style=flat&logo=x&logoColor=black" alt="X"></a>
   <a href="https://creativecommons.org/licenses/by-nc/4.0/"><img src="https://img.shields.io/badge/License-CC%20BY--NC%204.0-lightgrey?style=flat" alt="License"></a>
 </p>