feat(auth): Add Authorization Code Flow and new Keycloak recipes with new video tutorials (#4234)

Co-authored-by: Alireza <ar.sedghi@gmail.com>

platform/app/src/App.tsx

@@ -24,7 +24,7 @@ import {
   UserAuthenticationProvider,
   ToolboxProvider,
 } from '@ohif/ui';
-import { ThemeWrapper as ThemeWrapperNext, NotificationProvider } from '@ohif/ui-next';
+import { ThemeWrapper as ThemeWrapperNext } from '@ohif/ui-next';
 // Viewer Project
 // TODO: Should this influence study list?
 import { AppConfigProvider } from '@state';