Add workflow to build and deploy pages

Signed-off-by: Nelo-T. Wallus <[email protected]>

Author: ntnn

.github/workflows/pages.yaml

@@ -0,0 +1,50 @@
+name: pages
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+      - uses: actions/configure-pages@v4
+      - run: npm ci
+      - run: npm run build
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: .vitepress/dist
+
+  deploy:
+    if: ${{ github.event_name != 'pull_request' && github.ref == 'refs/heads/main' }}
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    needs: build
+    runs-on: ubuntu-latest
+    name: deploy
+    steps:
+      - id: deployment
+        uses: actions/deploy-pages@v4