ci: add test CI

.github/workflows/test.yml

@@ -0,0 +1,31 @@
+name: Node.js CI
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node.js environment
+        uses: actions/[email protected]
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Setup pnpm
+        uses: pnpm/[email protected]
+        with:
+          version: 8
+      - name: Install and run tests
+        run: pnpm it