test を追加

.github/workflows/test.yaml

@@ -0,0 +1,21 @@
+name: Build Test
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 20
+      - name: Install dependencies
+        run: npm install
+      - name: Build
+        run: npm run build