ci(docs): validate production docs and static demo

Author: Akryum

.github/workflows/test-docs.yml

@@ -0,0 +1,25 @@
+name: Documentation and demo
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 24
+      - uses: pnpm/action-setup@v4
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm build
+      - run: pnpm docs:build
+      - run: pnpm --filter histoire-example-vue3 exec playwright install --with-deps chromium
+      - run: pnpm docs:check