Merge pull request #78 from asciidoctor/gh-actions-ui

Enable GitHub Actions

Author: ggrossetie

.github/workflows/build.yml

@@ -0,0 +1,25 @@
+name: Build
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version:
+          - 12.x
+          - 13.x
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Node ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: Install dependencies
+      run: |
+        npm ci
+    - name: Lint, build and test
+      run: |
+        npm run lint
+        npm t