feat : 일반 에러 페이지 생성

src/pages/_error.tsx

@@ -0,0 +1,27 @@
+import MainContainer from '@/components/shared/MainContainer';
+import { NextPageContext } from 'next';
+import { useRouter } from 'next/router';
+
+function Error({ statusCode }: { statusCode?: number }) {
+  const router = useRouter();
+  return (
+    <MainContainer>
+      <div className="flex items-center justify-center text-3xl font-extrabold">
+        {statusCode} 에러가 발생했습니다.
+      </div>
+      <div
+        onClick={() => router.replace('/')}
+        className="cursor-pointer mt-16 mx-auto rounded-lg w-[360px] h-12 bg-space-purple text-white text-xl font-semibold flex items-center justify-center">
+        홈으로
+      </div>
+    </MainContainer>
+  );
+}
+
+Error.getInitialProps = ({ res, err }: NextPageContext) => {
+  const statusCode = res ? res.statusCode : err ? err.statusCode : 404;
+
+  return { statusCode };
+};
+
+export default Error;