chore(build): try out github actions

.github/workflows/branch_push_workflow.yml

@@ -0,0 +1,35 @@
+name: Branch push
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [8.x, 10.x, 12.x]
+
+    steps:
+    - name: Checkout branch
+      uses: actions/checkout@v1
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: Install
+      run: |
+        npm install
+        npx lerna bootstrap --concurrency=1
+    - name: Lint
+      run: npx lerna run lint
+    - name: Build
+      run: |
+        npx lerna run sass
+        npx lerna run dart
+    - name: Test
+      run: |
+        npm run karma-single
+      env:
+        CI: true