Update README.md

Author: hyunjung-choi

README.md

@@ -16,7 +16,7 @@
 
 <p>
   <img src="https://github.com/user-attachments/assets/7709b133-f468-459a-947a-39ddcdddf047", width="300" />
-  <img src="https://github.com/user-attachments/assets/f8ede8da-ee70-431f-9f80-a31bf58421f6", width="300" />
+  <img src="https://github.com/user-attachments/assets/53f18a6b-4bef-47b0-8cdb-66a4d1c77eec", width="300" />
 </p>
 
 ## 🛠️ Tech Stack