Ajout du workflow GitHub Actions pour déploiement Cloudflare Pages

Configure le déploiement automatique via Direct Upload pour contourner
les limites de temps de build de Cloudflare Pages. Le build est effectué
sur GitHub Actions avant le déploiement.

.github/workflows/deploy.yml

@@ -0,0 +1,38 @@
+name: Deploy to Cloudflare Pages
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      deployments: write
+    name: Build and Deploy to Cloudflare Pages
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build site
+        run: npm run build
+
+      - name: Deploy to Cloudflare Pages
+        uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          command: pages deploy build --project-name=blog-tech
+          gitHubToken: ${{ secrets.GITHUB_TOKEN }}