ci: add dedicated pipeline for website E2E tests

Signed-off-by: Ulises Gascon <[email protected]>

Author: UlisesGascon

.github/workflows/playwright.yml

@@ -0,0 +1,29 @@
+name: E2E Website tests
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test-docs:
+    name: E2E Testing
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: scorecards-site
+
+    steps:
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 #v5
+      - uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 #v5
+        with:
+          node-version: 22
+
+      - name: Install dependencies
+        run: |
+          yarn install --frozen-lockfile
+          yarn dlx playwright install --with-deps
+          yarn add -D @playwright/test@latest
+
+      - name: Run Playwright tests
+        run: CI=true yarn dlx @playwright/test test