docs: update README (#80)

.github/workflows/deploy.yml

@@ -5,7 +5,6 @@ on:
     branches:
       - main
       - develop
-      - fix/#77
 
 jobs:
   build-and-push:

README.md

@@ -1,2 +1,17 @@
-# dividend-server
-저점매수 팀의 배당금 계산 서비스 Server repository 입니다.
+# Payout Server
+
+<p align="center"><img src="https://github.com/Nexters/payout-server/assets/66549638/b2566cc8-724b-4b3a-8824-48926f122319"/></p>
+
+Nexters 24기 저점매수 팀의 미국 주식 배당금 계산 서비스 Payout server repository입니다.
+
+# 🔗 Link
+[Payout Link](https://pay-out.us)
+
+# 🛠️ Tech Stack
+<p align="center"><img width="651" alt="스크린샷 2024-03-02 오전 12 04 28" src="https://github.com/Nexters/payout-server/assets/66549638/493843fe-6da7-4db5-8097-4f221d11669c"></p>
+
+# ⛓️ System architecture
+![제목 없음](https://github.com/Nexters/payout-client/assets/66549638/b0961bac-23fc-40da-8de7-2960f6035683)
+
+# 🗺️ ERD
+![dividend (1)](https://github.com/Nexters/payout-server/assets/66549638/b46c3017-1e1c-4941-a6cf-85457f2f553f)