build: switch to github actions

Author: MikeRalphson

.github/workflows/ci.yaml

@@ -0,0 +1,27 @@
+name: ci
+
+on:
+  push:
+    branches: [ 'main' ]
+  pull_request:
+    branches: [ 'main' ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [12, 14, 16]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up node
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - run: npm i
+    # - run: npm run lint
+    - run: npm run test
+

.gitignore

@@ -1,3 +1,4 @@
+package-lock.json
 test/nitro-schema.xsd
 out/nitro-schema.json