add github action

.github/workflows/deploy.yml

@@ -0,0 +1,42 @@
+name: Deploy
+on:
+  push:
+    branches: main
+  pull_request:
+    branches: main
+
+jobs:
+  deploy:
+    name: Deploy
+    runs-on: ubuntu-latest
+
+    permissions:
+      id-token: write # Needed for auth with Deno Deploy
+      contents: read # Needed to clone the repository
+
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v4
+
+      - name: Install Deno
+        uses: denoland/setup-deno@v1
+        with:
+          deno-version: v1.x
+
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+
+      - name: Install step
+        run: 'npm install'
+
+      - name: Build step
+        run: 'npm run build'
+
+      - name: Upload to Deno Deploy
+        uses: denoland/deployctl@v1
+        with:
+          project: 'spiel-place'
+          entrypoint: 'mod.ts'
+          root: 'build'