feat: implement authentication flow and dynamic API configuration #5

Web/src/app/app.route.guard.ts

@@ -0,0 +1,9 @@
+import { CanActivateFn } from '@angular/router';
+import { inject } from '@angular/core';
+import { OAuthService } from 'angular-oauth2-oidc';
+
+
+export const authGuard: CanActivateFn = (route, state) => {
+    const authService = inject(OAuthService);
+    return authService.hasValidAccessToken(); // returns boolean, Promise, or Observable
+};