add deploy workflow

.forgejo/workflows/deploy.yaml

@@ -0,0 +1,27 @@
+name: Deploy to Cloudflare Workers
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: docker
+    container:
+      image: oven/bun:latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Build
+        run: bun run build
+
+      - name: Deploy to Cloudflare Workers
+        run: bunx wrangler deploy
+        env:
+          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}