Revise README with project overview and features

Updated README to include project details and features.

Author: minwoo1999

README.md

@@ -1,4 +1,35 @@
-# 26th-APP-TEAM-1-BE
+# 26th-APP-TEAM-1-BE : - Reed 문장과 감정을 함께 담는 독서 기록
+
+
+<img width="1024" height="500" alt="reed_graphic" src="https://github.com/user-attachments/assets/357cab12-db36-4de0-8fad-664abc5df8c8" />
+
+<a href="https://play.google.com/store/apps/details?id=com.ninecraft.booket&hl=ko">
+    <img src="https://github.com/user-attachments/assets/8699ffd3-3399-45eb-9e2b-88818ba62091" width="200" />
+</a>
+
+<p align="center">
+<img src="https://github.com/user-attachments/assets/f31d5681-bbf0-4de4-93a6-37a2adf54df7" width="30%"/>
+<img src="https://github.com/user-attachments/assets/db92e159-091d-425b-8cc2-2324d4191463" width="30%"/>
+<img src="https://github.com/user-attachments/assets/5fd3f726-f493-4850-9d99-3933815dcd8b" width="30%"/>
+</p>
+<p align="center">
+<img src="https://github.com/user-attachments/assets/bb7e3281-c7e4-453d-a921-cc4e9a051434" width="30%"/>
+<img src="https://github.com/user-attachments/assets/7c211781-58e5-4413-9f20-f92b1d0c8f24" width="30%"/>
+</p>
+
+## Features
+|  홈  |  도서 검색 및 등록  |  내서재  |
+|:---:|:---:|:---:|
+| <img width="230" alt="홈" src="https://github.com/user-attachments/assets/657e14e1-e578-4d7c-8c38-3591d61b1429" /> | <img width="230" alt="도서 검색 및 등록" src="https://github.com/user-attachments/assets/7a166abf-1160-4cdf-8ec5-f8071d7f0891" /> | <img width="230" alt="내서재" src="https://github.com/user-attachments/assets/d4679cd4-0188-4763-9adc-e210bef44ef0" /> |
+
+|  OCR  |  기록 등록  |  도서 & 기록 상세  |
+|:---:|:---:|:---:|
+| <img width="230" alt="OCR" src="https://github.com/user-attachments/assets/8861b7ea-a0f6-4e26-91be-c15450259752" /> | <img width="230" alt="기록 등록" src="https://github.com/user-attachments/assets/32774861-c9fa-439c-a889-ccbc842eb528" /> | <img width="230" alt="도서 & 기록 상세" src="https://github.com/user-attachments/assets/34304a37-7de1-4876-bd55-f041077b3266" /> |
+
+| 기록 카드 공유 |
+|:---:|
+| <img width="230" alt="기록 카드 공유" src="https://github.com/user-attachments/assets/4c01a5ed-e5a2-4be4-b950-96a457c87ad7" /> |
+
 
 ## 📄 모듈별 상세 설명 바로가기