🔒️ Added admin guard (like an auth guard for real) to redirect user if not logged in

src/app/auth/admin.guard.ts

@@ -0,0 +1,14 @@
+import { inject } from '@angular/core';
+import { Router } from '@angular/router';
+import { AuthService } from '../services/auth.service';
+
+export const AdminGuard = () => {
+  const authService = inject(AuthService);
+  const router = inject(Router);
+
+  if (authService.isAdmin()) {
+    return true;
+  }
+
+  return router.parseUrl('/login');
+};