푸터 컴포넌트 추가

+import React from 'react';
+
+export const Footer: React.FC = () => {
+  return (
+    <div className="mt-auto flex justify-center items-center">
+      <a href="http://khuhub.khu.ac.kr/2020105578/nodejs-game">
+        <img className="object-contain h-12" src="./gitlab.png"/>
+      </a>
+      <div className="flex text-gray-600">Made by&nbsp;
+        <a href="https://github.com/aren227" target="_blank"
+          className="outline-none focus:outline-none
+          text-gray-600 hover:text-green-500
+            ease-linear transition-all duration-100">@aren227</a>&nbsp;
+        <a href="https://github.com/aren227" target="_blank"
+          className="outline-none focus:outline-none
+          text-gray-600 hover:text-green-500
+            ease-linear transition-all duration-100">@overnap</a>
+      </div>
+    </div>
+  );
+}
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