Store refresh token on login

front/src/pages/auth/Login.tsx

@@ -0,0 +1,17 @@
+import { useEffect } from 'react';
+import { useNavigate } from 'react-router-dom';
+
+function Login() {
+  const refreshToken = localStorage.getItem('refreshToken');
+  const navigate = useNavigate();
+  useEffect(() => {
+    if (!refreshToken) {
+      window.location.href = process.env.REACT_APP_LOGIN_PROVIDER_URL || '';
+    }
+    navigate('/');
+  }, [refreshToken, navigate]);
+
+  return <></>;
+}
+
+export default Login;