Add test action

Author: catarak

.github/workflows/superlinter.yml

@@ -0,0 +1,19 @@
+name: Test
+
+on: push
+
+jobs:
+  test:
+    name: Test and lint code base
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js
+      uses: actions/setup-node@v1
+      with:
+        node-version: '12.x'
+    - run: npm install
+    - run: npm run test
+    - run: npm run lint
+
+