Merge remote-tracking branch 'origin/master' into feature-add-tests

.github/workflows/test.yml

@@ -0,0 +1,15 @@
+name: Test
+
+on: [pull_request, push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: npm install, lint and test
+        run: |
+          npm install
+          npm run lint
+          npm run test:unit