add action

.github/workflows/test.yml

@@ -0,0 +1,19 @@
+name: test
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+    - name: npm install
+      run: |
+        npm ci
+        npm test