use GitHub Actions for CI (new-xkit#2009)

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Setup Node.js environment
+      uses: actions/[email protected]
+      with:
+        node-version: 14
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Run tests
+      run: npm test