ci: deploy to Cloudflare Pages via GitHub Actions + wrangler

Build in GH Actions (reliable env), upload dist with wrangler-action.
Avoids CF dashboard build env. Needs repo secrets CLOUDFLARE_API_TOKEN
and CLOUDFLARE_ACCOUNT_ID.

Author: elzup

.github/workflows/deploy.yml

@@ -0,0 +1,33 @@
+name: Deploy to Cloudflare Pages
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      deployments: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+
+      - run: pnpm install --frozen-lockfile
+
+      - run: pnpm build
+
+      - name: Deploy to Cloudflare Pages
+        uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          command: pages deploy dist --project-name=dentime --branch=${{ github.head_ref || github.ref_name }}