ci: add tests

.github/workflows/test.yml

@@ -0,0 +1,30 @@
+name: Test
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+jobs:
+  test:
+    runs-on: alpine-latest
+
+    strategy:
+      matrix:
+        node-version: [21]  # You can specify other Node.js versions here
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Run tests
+        run: yarn test