Add GitHub Actions workflow: build, package, and deploy to Cloudflare Workers

.github/workflows/deploy.yml

@@ -0,0 +1,35 @@
+name: Build and deploy
+
+on:
+    push:
+        branches: [main]
+
+jobs:
+    deploy:
+        runs-on: ubuntu-latest
+
+        steps:
+            - uses: actions/checkout@v4
+
+            - name: Set up Bun
+              uses: oven-sh/setup-bun@v2
+
+            - name: Set up JDK 25
+              uses: actions/setup-java@v4
+              with:
+                  distribution: "temurin"
+                  java-version: "25"
+
+            - name: Install JS deps
+              run: bun install
+
+            - name: Package all plugins
+              run: ./gradlew packageAllPlugins
+
+            - name: Generate repository index
+              run: bun run generate-index -- --dist build/dist --base-url https://next.jarviscli.dev --out build/dist/index.json
+
+            - name: Deploy to Cloudflare Workers
+              env:
+                  CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+              run: bunx wrangler deploy