message: fix: typo on optional chaining
  Fixes a typo where `authState`'s `refreshToken` is accessed with `!.`
  instead of `?.`.
diff: @@ -88,7 +88,7 @@ const client = createClient({
  // if your refresh logic is in graphQL, you must use this mutate function to call it
  // if your refresh logic is a separate RESTful endpoint, use fetch or similar
  const result = await mutate(refreshMutation, {
  - token: authState!.refreshToken,
  + token: authState?.refreshToken,
  });
  if (result.data?.refreshLogin) {
  