chore(guide): 🔧 Update Playwright test configuration for "Age of Dwarves" game guide

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

games/age-of-dwarves/guide/playwright.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig, devices } from '@playwright/test'
+
+export default defineConfig({
+  testDir: './e2e',
+  fullyParallel: false,
+  forbidOnly: !!process.env.CI,
+  retries: 0,
+  timeout: 120_000,
+  use: {
+    baseURL: 'http://localhost:5800',
+    headless: true,
+    viewport: { width: 1280, height: 800 },
+  },
+  projects: [
+    {
+      name: 'chromium',
+      use: { ...devices['Desktop Chrome'] },
+    },
+  ],
+})