feat: configuration to hook into XHR Error handling

* Error handling.

* Fix error handling, add redirect example.

* remove debugger

* docs: whitelabeling and httpErrorHandler

* bump dicomweb-client version

* bump cornerstone-wado-image-loader version

* Add more documentation around httpErrorHandler callback

* test: add errorHandler as an expected top level export

Co-authored-by: dannyrb <danny.ri.brown@gmail.com>

platform/viewer/src/App.js

@@ -31,7 +31,8 @@ import {
 import i18n from '@ohif/i18n';
 
 // TODO: This should not be here
-import './config';
+//import './config';
+import { setConfiguration } from './config';
 
 /** Utils */
 import {
@@ -123,6 +124,8 @@ class App extends Component {
       oidc,
     } = this._appConfig;
 
+    setConfiguration(this._appConfig);
+
     this.initUserManager(oidc);
     _initServices([
       UINotificationService,