👷 add github deploy workflow

.github/workflows/deploy.yml

@@ -0,0 +1,43 @@
+name: deploy
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Install dependencies
+      run: |
+          sudo apt update
+          sudo apt install pandoc
+
+    - name: Make pages
+      run: make
+
+    - name: Upload pages
+      uses: actions/upload-pages-artifact@v3
+      with:
+        path: pages
+
+  deploy:
+    needs: build
+
+    permissions:
+      pages: write
+      id-token: write
+
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4