ci: use github workflows

Author: indutny

.github/workflows/test.yml

@@ -0,0 +1,17 @@
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [ 12, 14, 16, 18 ]
+    name: Node ${{ matrix.node }} sample
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node }}
+      - run: npm ci
+      - run: npm test