Add github pages workflow

.github/workflows/pages.yaml

@@ -0,0 +1,35 @@
+name: Pages
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+concurrency: pages
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - run: npm install
+      - run: npx postcss --dir assets/module.postcss assets/module.css/**/*.css --base assets/module.css
+
+      - name: Setup
+        run: |
+          cargo install --locked trunk
+
+      - name: Build
+        run: |
+          trunk build --release
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./dist