feat(ui): add Playwright setup with basic configuration for E2E testing in Next.js

ui/tests/e2e/auth/authentication.spec.ts

@@ -0,0 +1,15 @@
+import { test } from '@playwright/test';
+
+// Test credentials from environment variables
+const TEST_USER_EMAIL = process.env.TEST_USER_EMAIL || 'dev@prowler.com';
+const TEST_USER_PASSWORD = process.env.TEST_USER_PASSWORD || 'thisisapassword123';
+
+test('should login successfully and redirect to home page', async ({ page }) => {
+    await page.goto('/login');
+    const title = await page.title();
+
+    await page.fill('input[name="email"]', TEST_USER_EMAIL);
+    await page.fill('input[name="password"]', TEST_USER_PASSWORD);
+    await page.click('button[type="submit"]');
+    await page.waitForURL('/');
+});