chore: initialize portfolio toolchain

playwright.config.ts

@@ -0,0 +1,9 @@
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: './tests/browser',
+  projects: [
+    { name: 'desktop-chromium', use: { ...devices['Desktop Chrome'] } },
+    { name: 'mobile-chromium', use: { ...devices['Pixel 5'] } },
+  ],
+});