style: Fix formatting and spacing in multiple files

frontend/src/app/app.config.ts

@@ -9,7 +9,7 @@ import { OAuthStorage, provideOAuthClient } from 'angular-oauth2-oidc';
 import { httpInterceptor } from './shared/interceptor/http.interceptor';
 
 function storageFactory() {
-  return new class implements OAuthStorage {
+  return new (class implements OAuthStorage {
     private data: { [key: string]: string } = {};
 
     getItem(key: string): string | null {
@@ -17,13 +17,13 @@ function storageFactory() {
     }
 
     removeItem(key: string): void {
-      delete this.data[key]
+      delete this.data[key];
     }
 
     setItem(key: string, data: string): void {
       this.data[key] = data;
     }
-  }
+  })();
 }
 
 export const appConfig: ApplicationConfig = {
@@ -37,6 +37,6 @@ export const appConfig: ApplicationConfig = {
     {
       provide: OAuthStorage,
       useFactory: () => localStorage,
-    }
+    },
   ],
 };