[chore] : README.md 작성 (#167)

* [chore] : README 추가

* [chore] : README 수정

README.md

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+<h3 align="center">
+  <img width="1600" src="https://github.com/Programmers-HandsUp/BE-handsup/assets/77109954/8f131580-df1d-41a4-9f78-7dc5dbf623ea"/>
+</h3>
+
+<br>
+
+## 📢 프로젝트 소개
+
+<div align="center">
+  <img width="1600" alt="image" src="https://github.com/Programmers-HandsUp/BE-handsup/assets/77109954/8e3b8727-a732-4b9c-a575-c2bdca9f576b">
+</div>
+<br>
+
+## 📁 DB ERD
+
+<h3 align="center">
+  <img width="1600" alt="image" src="https://github.com/Programmers-HandsUp/BE-handsup/assets/77109954/a6253b8b-497a-4cfe-839a-c10d25d349a9">
+</h3>
+<br>
+
+## ⚙️ CI/CD Pipeline
+
+<h3 align="center">
+  <img width="1600" alt="image" src="https://github.com/Programmers-HandsUp/BE-handsup/assets/77109954/79ef0f21-d86b-45ae-a955-03d60b5ccfcb">
+</h3>
+<br>
+
+## 🛠️ 기술 스택
+
+- <b>Core</b>
+
+  <img src="https://img.shields.io/badge/java%2017-262261?style=for-the-badge&logo=openjdk&logoColor=white">
+  <img src="https://img.shields.io/badge/gradle-02303A?style=for-the-badge&logo=gradle&logoColor=white">
+  <img src="https://img.shields.io/badge/Spring Boot-6DB33F?style=for-the-badge&logo=spring&logoColor=white"><br>
+  <img src="https://img.shields.io/badge/Spring Data JPA-6DB33F?style=for-the-badge&logo=Spring JPA&logoColor=white">
+  <img src="https://img.shields.io/badge/QueryDsl-4169E1?style=for-the-badge&logo=QueryDsl&logoColor=white">
+  <img src="https://img.shields.io/badge/mysql 8.0-4479A1?style=for-the-badge&logo=mysql&logoColor=white"><br>
+  <img src="https://img.shields.io/badge/JWT-000000?style=for-the-badge&logo=JSON Web Tokens&logoColor=white">
+  <img src="https://img.shields.io/badge/redis-DC382D?style=for-the-badge&logo=redis&logoColor=white">
+  <img src="https://img.shields.io/badge/Swagger-85EA2D?style=for-the-badge&logo=Swagger&logoColor=white">
+
+
+- <b>Infrastructure</b>    
+  <img src="https://img.shields.io/badge/Amazon EC2-FF9900?style=for-the-badge&logo=Amazon EC2&logoColor=white">
+  <img src="https://img.shields.io/badge/Amazon RDS-527FFF?style=for-the-badge&logo=Amazon RDS&logoColor=white">
+  <img src="https://img.shields.io/badge/Amazon S3-569A31?style=for-the-badge&logo=Amazon S3&logoColor=white"><br>
+  <img src="https://img.shields.io/badge/Firebase-DD2C00?style=for-the-badge&logo=Firebase&logoColor=white">
+  <img src="https://img.shields.io/badge/GitHub Actions-2088FF?style=for-the-badge&logo=GitHub Actions&logoColor=white">
+  <img src="https://img.shields.io/badge/docker-2496ED?style=for-the-badge&logo=docker&logoColor=white">
+
+
+<br>
+
+## 👥 팀원 소개
+
+<div>
+  <table>
+    <tr>
+      <th>
+        <div style="text-align: center;">손가현(팀장)</div>
+      </th>
+      <th>
+        <div style="text-align: center;">박주한</div>
+      </th>
+    </tr>
+    <tr>
+      <td align="center">
+        <a href="https://github.com/hyun2371">
+          <img width="100px" src="https://github.com/hyun2371.png" />
+        </a>
+      </td>
+      <td align="center">
+        <a href="https://github.com/ParkJuhan94">
+          <img width="100px" src="https://github.com/ParkJuhan94.png" />
+        </a>
+      </td>
+    </tr>
+    <tr>
+      <td align="center">
+        인프라 (AWS, CI/CD) <br> 채팅 <br> 낙찰 <br> 경매 등록 및 검색
+      </td>
+      <td align="center">
+        인증/인가 <br> 알림 <br> 입찰 <br> 마이페이지, 후기
+      </td>
+    </tr>
+  </table>
+</div>