docs: Update README.md

Author: hyunjung-choi

README.md

@@ -4,22 +4,29 @@
 
 ## 📸 ScreenShots
 
+<p>
+  <img src="https://github.com/user-attachments/assets/565fe6dc-0cd1-4c8a-ab1e-817fadd7985d", width="300" />
+</p>
+
 ## 🛠️ Tech Stack
 
 - **Minimum SDK Version** 24
 
 - **Target SDK Version** 35
 
+- **Language**
+    - Kotlin
+
 - **API**
     - [Unsplash](https://unsplash.com/developers)
 
-- **Language**
-    - Kotlin
+- **Image**
+    - Coil
 
 - **Network**
     - Ktor
 
-- **비동기 처리**
+- **Asynchronous Processing**
     - Coroutines & Flow
 
 - **DI**