docs(readme): update readme to match code

README.md

@@ -15,7 +15,11 @@ extern crate ms_autodiscover;
 async fn main() {
  let config = ms_autodiscover::from_email("[email protected]", "example_password", None::<String>).await.unwrap();
 
- println!("{}", config.user().name())
+ match config {
+ AutodiscoverResponse::Pox(response) => {
+ println!("{}", response.user().display_name())
+ }
+ }
 
  // Example output:
  // "Contoso"