Add GH pages

.github/workflows/build.yml

@@ -0,0 +1,37 @@
+name: Lazy Speaker Slides CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Configure pages
+        uses: actions/configure-pages@v4
+      - name: Install devbox
+        uses: jetpack-io/[email protected]
+      - name: Build app
+        run: devbox run deploy
+      - name: Upload artifacts
+        uses: actions/upload-pages-artifact@v3
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4