Save Token to Local Storage

const handleLogin = async (event) => {
  event.preventDefault()
  try {
    const user = await loginService.login({
      username, password
    })
    window.localStorage.setItem(
      'loggedBlogListAppUser', JSON.stringify(user)
    )
    setUser(user)
    setUsername('')
    setPassword('')
  } catch (exception) {
    setErrorMessage('Wrong credentials')
    setTimeout(() => {
      setErrorMessage(null)
    }, 5000)
  }
}
const handleLogout = () => {
  window.localStorage.removeItem('loggedBlogListAppUser')
  setUser(null)
}