Merge pull request #220 from Team-Neki/docs/readme

[docs] README 수정

Author: Ojongseok

README.md

@@ -1 +1,5 @@
 # 네키 - 네컷 사진의 시작부터 기록까지
+<img width="1200" height="963" alt="image" src="https://github.com/user-attachments/assets/18ae0e59-4396-4c1d-a4c4-d6f4edf766c9" />
+<img width="1200" height="1743" alt="image" src="https://github.com/user-attachments/assets/3b91beed-74a6-411d-bff5-8ca08e21b4a0" />
+<img width="1200" height="2420" alt="image" src="https://github.com/user-attachments/assets/dadfc7cb-7252-47f0-8e59-e36b4715a091" />
+<img width="1200" height="1977" alt="image" src="https://github.com/user-attachments/assets/fe37bb7d-027d-43b3-b69d-46bba11086a0" />