Add GitHub Actions workflow to deploy Storybook to GitHub Pages

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: b3008

.github/workflows/deploy-storybook.yml

@@ -0,0 +1,41 @@
+name: Deploy Storybook to GitHub Pages
+
+on:
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: true
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: yarn
+
+      - run: yarn install --frozen-lockfile
+
+      - run: npm run build-storybook
+
+      - uses: actions/configure-pages@v4
+
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: storybook-static
+
+      - id: deployment
+        uses: actions/deploy-pages@v4