Limit scope of the sample to the simple solution

For more robust solutions when you need it, turn to the linked
issue on GitHub. This sample will do well enough in most cases
with the default code. So we'll close the related issue too.

Fixes #2

Author: jeroenheijmans

src/app/core/auth.service.ts

@@ -48,9 +48,13 @@ export class AuthService {
       }
     });
 
-    // This is tricky, as it might cause race conditions (where access_token is set in another
-    // tab before everything is said and done there.
-    // TODO: Improve this setup. See: https://github.com/jeroenheijmans/sample-angular-oauth2-oidc-with-auth-guards/issues/2
+    // THe following cross-tab communication of fresh access tokens works usually in practice,
+    // but if you need more robust handling the community has come up with ways to extend logic
+    // in the library which may give you better mileage.
+    //
+    // See: https://github.com/jeroenheijmans/sample-angular-oauth2-oidc-with-auth-guards/issues/2
+    //
+    // Until then we'll stick to this:
     window.addEventListener('storage', (event) => {
       // The `key` is `null` if the event was caused by `.clear()`
       if (event.key !== 'access_token' && event.key !== null) {