Add workflow

Author: theory

.github/workflows/deploy.yml

@@ -0,0 +1,38 @@
+name: 🚀 Deploy
+on:
+  push:
+    branches: ["*"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install mdbook
+        env: { MDBOOK_VERSION: 0.4.40 }
+        run: |
+          mkdir mdbook
+          curl -Lf https://github.com/rust-lang/mdBook/releases/download/v${{ env.MDBOOK_VERSION }}/mdbook-v${{ env.MDBOOK_VERSION }}-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
+          echo `pwd`/mdbook >> $GITHUB_PATH
+      - name: Generate Book
+        run: ./generate-book.py
+      - name: Upload Artifact
+        uses: actions/upload-pages-artifact@v3
+        with: { path: ./book }
+
+  deploy:
+    needs: build
+
+    permissions:
+      pages: write
+      id-token: write
+
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    runs-on: ubuntu-latest
+    steps:
+      - id: deployment
+        uses: actions/deploy-pages@v4