MOBILE-3320 ci: Configure Github Actions

.github/workflows/testing.yml

@@ -0,0 +1,19 @@
+name: Testing
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    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 ci
+    - run: npm run lint
+    - run: npm run test:ci
+    - run: npm run build:prod