add test workflow

Author: yaito3014

.github/workflows/test.yml

@@ -0,0 +1,20 @@
+name: TEST
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: npm install
+      - run: npm run build
+      - run: node dist/index.js
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}