docs: updated techstack table on readme

README.md

@@ -1,2 +1,35 @@
-# Back
-런닝메이트
+## Tech Stack
+
+<table>
+    <thead>
+        <tr>
+            <th>분류</th>
+            <th>기술 스택</th>
+        </tr>
+    </thead>
+    <tbody>
+        <tr>
+            <td>
+                  <p>Language/Framework</p>
+            </td>
+            <td>
+                  <img src="https://img.shields.io/badge/java-%23ED8B00.svg?style=for-the-badge&logo=openjdk&logoColor=white">
+                  <img src="https://img.shields.io/badge/springboot-%236DB33F.svg?style=for-the-badge&logo=Springboot&logoColor=white">
+            </td>
+        </tr>
+        <tr>
+            <td>
+                <p>Others</p>
+            </td>
+            <td>
+              <img src="https://img.shields.io/badge/GCP-%234285F4.svg?style=for-the-badge&logo=google-cloud&logoColor=white">
+              <img src="https://img.shields.io/badge/postgres-%23316192.svg?style=for-the-badge&logo=postgresql&logoColor=white">
+              <img src="https://img.shields.io/badge/nginx-%23009639.svg?style=for-the-badge&logo=nginx&logoColor=white">
+              <br/>
+              <img src="https://img.shields.io/badge/docker-%230db7ed.svg?style=for-the-badge&logo=docker&logoColor=white">
+              <img src="https://img.shields.io/badge/github%20actions-%232671E5.svg?style=for-the-badge&logo=githubactions&logoColor=white">
+            </td>
+        </tr>
+    </tbody>
+</table>
+