feat(ci): run unit tests

.github/workflows/test.yml

@@ -0,0 +1,33 @@
+name: Tests
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [14.x, 16.x, 18.x, 20.x]
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+
+    - name: Configure Git
+      run: |
+        git config --global user.name "GitHub Actions Bot"
+        git config --global user.email "actions@github.com"
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Run tests
+      run: npm test