add ci with test job

.github/workflows/ci.yml

@@ -0,0 +1,18 @@
+on:
+  push:
+    branches:
+      - '*'
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: latest
+      - name: Install dependencies
+        run: npm install
+      - name: Run tests
+        run: npm test