feat: authpage 추가

src/pages/Login/AuthPage.tsx

@@ -0,0 +1,23 @@
+import React, { useEffect } from 'react';
+import { useLocation, useNavigate } from 'react-router-dom';
+import { useGetLogin } from '@/api/hooks/useGetLogin';
+import { RouterPath } from '@/routes/path';
+
+export const AuthPage = () => {
+  const location = useLocation();
+  const navigate = useNavigate();
+
+  const query = new URLSearchParams(location.search);
+  const code = query.get('code');
+
+  const { data, error, isLoading } = useGetLogin({ code: code || '' });
+
+  useEffect(() => {
+    if (data && !error) {
+      sessionStorage.setItem('authToken', data.accessToken);
+      navigate(RouterPath.home);
+    }
+  }, [data, error, navigate]);
+
+  return <div>{isLoading ? <h1>Logging in...</h1> : error ? <h1>Login failed!</h1> : null}</div>;
+};