Fix deployment

.github/workflows/deployment.yml

@@ -0,0 +1,50 @@
+name: Deploy to Pages
+
+on:
+  push:
+    branches: ["main"]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  check:
+    uses: ./.github/workflows/check.yml
+  build:
+    needs: [check]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - name: Setup GitHub Pages
+        uses: actions/configure-pages@v5
+        with:
+          static_site_generator: next
+      - name: Install dependencies
+        run: make install
+      - name: Build with Next.js
+        run: make build
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./out
+  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