Add deploy workflow

.github/workflows/deploy.yml

@@ -0,0 +1,32 @@
+name: Deploy pages
+
+on: push
+
+jobs:
+  deploy:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '14'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Install slidev
+        run:  npm i -g @slidev/cli
+
+      - name: Build
+        working-directory: slidev
+        run: slidev build --base MasteringEnumeration
+
+      - name: Deploy pages
+        uses: crazy-max/ghaction-github-pages@v3.1
+        with:
+          build_dir: slidev/dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}